diff --git a/client/ConnectionDialog.py b/client/ConnectionDialog.py
index adfd0a0..08d081c 100644
--- a/client/ConnectionDialog.py
+++ b/client/ConnectionDialog.py
@@ -78,7 +78,6 @@ class Ui_ConnectionDialog(object):
         self.connection_groupbox.setObjectName("connection_groupbox")
         self.gridLayout_4 = QtWidgets.QGridLayout(self.connection_groupbox)
         self.gridLayout_4.setSizeConstraint(QtWidgets.QLayout.SetMaximumSize)
-        self.gridLayout_4.setContentsMargins(-1, -1, -1, 0)
         self.gridLayout_4.setObjectName("gridLayout_4")
         self.nickname_layout = QtWidgets.QHBoxLayout()
         self.nickname_layout.setObjectName("nickname_layout")
diff --git a/client/MainWindow.py b/client/MainWindow.py
index 724cb32..fd8a1d3 100644
--- a/client/MainWindow.py
+++ b/client/MainWindow.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Form implementation generated from reading ui file '.\client\MainWindow.ui'
+# Form implementation generated from reading ui file '.\client\ui\MainWindow.ui'
 #
 # Created by: PyQt5 UI code generator 5.15.2
 #
@@ -14,7 +14,13 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_MainWindow(object):
     def setupUi(self, MainWindow):
         MainWindow.setObjectName("MainWindow")
-        MainWindow.resize(800, 643)
+        MainWindow.resize(800, 625)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Expanding)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(MainWindow.sizePolicy().hasHeightForWidth())
+        MainWindow.setSizePolicy(sizePolicy)
+        MainWindow.setMinimumSize(QtCore.QSize(0, 20))
         self.centralwidget = QtWidgets.QWidget(MainWindow)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
         sizePolicy.setHorizontalStretch(0)
@@ -24,26 +30,12 @@ class Ui_MainWindow(object):
         self.centralwidget.setObjectName("centralwidget")
         self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
         self.gridLayout.setObjectName("gridLayout")
-        self.messageBox = QtWidgets.QTextEdit(self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Maximum)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.messageBox.sizePolicy().hasHeightForWidth())
-        self.messageBox.setSizePolicy(sizePolicy)
-        self.messageBox.setMaximumSize(QtCore.QSize(16777215, 80))
-        self.messageBox.setObjectName("messageBox")
-        self.gridLayout.addWidget(self.messageBox, 2, 1, 1, 2)
-        self.label = QtWidgets.QLabel(self.centralwidget)
-        self.label.setObjectName("label")
-        self.gridLayout.addWidget(self.label, 0, 2, 1, 1)
-        self.messageHistory = QtWidgets.QTextBrowser(self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(5)
-        sizePolicy.setHeightForWidth(self.messageHistory.sizePolicy().hasHeightForWidth())
-        self.messageHistory.setSizePolicy(sizePolicy)
-        self.messageHistory.setObjectName("messageHistory")
-        self.gridLayout.addWidget(self.messageHistory, 1, 1, 1, 1)
+        self.chat_history_label = QtWidgets.QLabel(self.centralwidget)
+        self.chat_history_label.setObjectName("chat_history_label")
+        self.gridLayout.addWidget(self.chat_history_label, 0, 1, 1, 1)
+        self.connections_label = QtWidgets.QLabel(self.centralwidget)
+        self.connections_label.setObjectName("connections_label")
+        self.gridLayout.addWidget(self.connections_label, 0, 2, 1, 1)
         self.connectionsList = QtWidgets.QListWidget(self.centralwidget)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Expanding)
         sizePolicy.setHorizontalStretch(0)
@@ -53,14 +45,23 @@ class Ui_MainWindow(object):
         self.connectionsList.setMaximumSize(QtCore.QSize(200, 16777215))
         self.connectionsList.setObjectName("connectionsList")
         self.gridLayout.addWidget(self.connectionsList, 1, 2, 1, 1)
-        self.label_2 = QtWidgets.QLabel(self.centralwidget)
-        self.label_2.setObjectName("label_2")
-        self.gridLayout.addWidget(self.label_2, 0, 1, 1, 1)
-        spacerItem = QtWidgets.QSpacerItem(100, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
-        self.gridLayout.addItem(spacerItem, 3, 1, 1, 1)
-        self.data_stats = QtWidgets.QLabel(self.centralwidget)
-        self.data_stats.setObjectName("data_stats")
-        self.gridLayout.addWidget(self.data_stats, 3, 2, 1, 1)
+        self.messageBox = QtWidgets.QTextEdit(self.centralwidget)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Maximum)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.messageBox.sizePolicy().hasHeightForWidth())
+        self.messageBox.setSizePolicy(sizePolicy)
+        self.messageBox.setMaximumSize(QtCore.QSize(16777215, 80))
+        self.messageBox.setObjectName("messageBox")
+        self.gridLayout.addWidget(self.messageBox, 2, 1, 1, 2)
+        self.messageHistory = QtWidgets.QTextBrowser(self.centralwidget)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(5)
+        sizePolicy.setHeightForWidth(self.messageHistory.sizePolicy().hasHeightForWidth())
+        self.messageHistory.setSizePolicy(sizePolicy)
+        self.messageHistory.setObjectName("messageHistory")
+        self.gridLayout.addWidget(self.messageHistory, 1, 1, 1, 1)
         MainWindow.setCentralWidget(self.centralwidget)
         self.menubar = QtWidgets.QMenuBar(MainWindow)
         self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 26))
@@ -68,6 +69,9 @@ class Ui_MainWindow(object):
         self.menuFile = QtWidgets.QMenu(self.menubar)
         self.menuFile.setObjectName("menuFile")
         MainWindow.setMenuBar(self.menubar)
+        self.status_bar = QtWidgets.QStatusBar(MainWindow)
+        self.status_bar.setObjectName("status_bar")
+        MainWindow.setStatusBar(self.status_bar)
         self.actionConnect_to = QtWidgets.QAction(MainWindow)
         self.actionConnect_to.setObjectName("actionConnect_to")
         self.actionSave_chat_to = QtWidgets.QAction(MainWindow)
@@ -85,9 +89,12 @@ class Ui_MainWindow(object):
     def retranslateUi(self, MainWindow):
         _translate = QtCore.QCoreApplication.translate
         MainWindow.setWindowTitle(_translate("MainWindow", "TCPChat"))
-        self.label.setText(_translate("MainWindow", "Connections"))
-        self.label_2.setText(_translate("MainWindow", "Chat History"))
-        self.data_stats.setText(_translate("MainWindow", "0.00KB Sent, 0.00KB Received"))
+        self.chat_history_label.setText(_translate("MainWindow", "Chat History"))
+        self.connections_label.setText(_translate("MainWindow", "Connections"))
+        self.connectionsList.setStatusTip(_translate("MainWindow", "View and/or moderate all users connected to the server."))
+        self.messageBox.setStatusTip(_translate("MainWindow", "Type a message to send to the server."))
+        self.messageBox.setPlaceholderText(_translate("MainWindow", "Type your message here..."))
+        self.messageHistory.setStatusTip(_translate("MainWindow", "View all messages sent by the server and other users."))
         self.menuFile.setTitle(_translate("MainWindow", "File"))
         self.actionConnect_to.setText(_translate("MainWindow", "Connect to..."))
         self.actionSave_chat_to.setText(_translate("MainWindow", "Export chat..."))
diff --git a/client/dialog.py b/client/dialog.py
index 0024e7a..0decdc3 100644
--- a/client/dialog.py
+++ b/client/dialog.py
@@ -1,9 +1,8 @@
 import re
 from typing import Tuple
 
-from PyQt5 import QtCore, QtGui
 from PyQt5.QtCore import QEvent
-from PyQt5.QtWidgets import QDialog, QStatusBar, QWidget, QSpacerItem, QSizePolicy
+from PyQt5.QtWidgets import QDialog, QStatusBar
 
 import constants
 from client.ConnectionDialog import Ui_ConnectionDialog
diff --git a/client/gui.py b/client/gui.py
index 81ae8d5..0070d81 100644
--- a/client/gui.py
+++ b/client/gui.py
@@ -1,17 +1,14 @@
 import logging
 import socket
-from pprint import pprint
-
-from PyQt5.QtCore import Qt, QEvent, QTimer
-from PyQt5.QtWidgets import QMainWindow
+from typing import List
 
+from PyQt5.QtCore import Qt, QEvent
+from PyQt5.QtWidgets import QMainWindow, QLabel
 from sortedcontainers import SortedList
 
 import constants
 import helpers
-import re
 from client.MainWindow import Ui_MainWindow
-from client.dialog import NicknameDialog
 from client.worker import ReceiveWorker
 
 IP = '127.0.0.1'
@@ -23,7 +20,7 @@ logger.setLevel(logging.DEBUG)
 
 
 class MainWindow(QMainWindow, Ui_MainWindow):
-    def __init__(self, ip:str, port:int, nickname: str, *args, **kwargs):
+    def __init__(self, ip: str, port: int, nickname: str, *args, **kwargs):
         # Initial UI setup
         super(MainWindow, self).__init__(*args, **kwargs)
         self.setupUi(self)
@@ -44,12 +41,16 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self.receiveThread.logs.connect(self.log)  # Receiving logging messages from a thread
         self.receiveThread.data_stats.connect(self.count_stats)  # Receiving data usage stats
         # TODO: Improve initial client/server data exchange
-        self.receiveThread.sent_nick.connect(self._ready)
         self.receiveThread.start()
 
-        self.messageBox.setPlaceholderText('Type your message here...')
+        # Setup message box return key logic
         self.messageBox.installEventFilter(self)
 
+        self.data_stats = QLabel("0.00KB Sent, 0.00KB Received")
+        self.data_stats.setAlignment(Qt.AlignVCenter)
+        self.status_bar.addPermanentWidget(self.data_stats)
+
+        # Variables for managing
         self.messages = SortedList(key=lambda message: message['time'])
         self.added_messages = []
         self.max_message_id = -1
@@ -57,20 +58,22 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self.sent, self.received = 0, 0
 
     def count_stats(self, sent: bool, change: int) -> None:
-        if sent:
-            self.sent += change
-        else:
-            self.received += change
-        self.data_stats.setText(f'{helpers.sizeof_fmt(self.sent)} Sent, {helpers.sizeof_fmt(self.received)} Received')
+        """Handler for counting data statistics."""
+        if change != 0:
+            if sent:
+                self.sent += change
+            else:
+                self.received += change
+            self.data_stats.setText(f'{helpers.sizeof_fmt(self.sent)} Sent, '
+                                    f'{helpers.sizeof_fmt(self. received)} Received')
 
-    def log(self, log_data: dict) -> None:
+    @staticmethod
+    def log(log_data: dict) -> None:
+        """Handler for data logging from a thread."""
         logger.log(level=log_data['level'], msg=log_data['message'], exc_info=log_data['error'])
 
-    def _ready(self):
-        logger.debug('Nickname sent. Ready to communicate with server further...')
-        self.get_message_history()
-
     def closeEvent(self, event):
+        """Handle closing by stopping the receive thread."""
         self.receiveThread.stop()
         event.accept()  # let the window close
 
@@ -89,14 +92,14 @@ class MainWindow(QMainWindow, Ui_MainWindow):
     def refresh_messages(self) -> None:
         """Completely refresh the chat box text."""
         scrollbar = self.messageHistory.verticalScrollBar()
-        lastPosition = scrollbar.value()
-        atMaximum = lastPosition == scrollbar.maximum()
+        last_position = scrollbar.value()
+        at_maximum = last_position == scrollbar.maximum()
 
         self.messageHistory.setText('<br>'.join(
             msg['compiled'] for msg in self.messages
         ))
 
-        scrollbar.setValue(scrollbar.maximum() if atMaximum else lastPosition)
+        scrollbar.setValue(scrollbar.maximum() if at_maximum else last_position)
 
     def send(self, data: bytes, **kwargs) -> None:
         self.count_stats(True, len(data))
@@ -129,15 +132,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
                 }
             ))
 
-    def get_message_history(self) -> None:
-        logger.info('Requesting message history')
-        self.send(helpers.prepare_json(
-            {
-                'type': constants.Types.REQUEST,
-                'request': constants.Requests.GET_MESSAGE_HISTORY
-            }
-        ))
-
-    def update_connections(self, users):
+    def update_connections(self, users: List[dict]):
+        """Update the Connections List widget"""
         self.connectionsList.clear()
         self.connectionsList.addItems([user['nickname'] for user in users])
diff --git a/client/main.py b/client/main.py
index c112358..3d78bcf 100644
--- a/client/main.py
+++ b/client/main.py
@@ -17,5 +17,5 @@ def main(nickname: str = None):
 
     if connect_dialog.connect_pressed:
         settings = connect_dialog.settings
-        m = MainWindow(settings.ip, settings.port, settings.nickname)
+        window = MainWindow(settings.ip, settings.port, settings.nickname)
         app.exec_()
diff --git a/client/ui/MainWindow.ui b/client/ui/MainWindow.ui
index 4dc737f..5e837c7 100644
--- a/client/ui/MainWindow.ui
+++ b/client/ui/MainWindow.ui
@@ -7,9 +7,21 @@
     <x>0</x>
     <y>0</y>
     <width>800</width>
-    <height>643</height>
+    <height>625</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>0</width>
+    <height>20</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>TCPChat</string>
   </property>
@@ -21,39 +33,20 @@
     </sizepolicy>
    </property>
    <layout class="QGridLayout" name="gridLayout">
-    <item row="2" column="1" colspan="2">
-     <widget class="QTextEdit" name="messageBox">
-      <property name="sizePolicy">
-       <sizepolicy hsizetype="Expanding" vsizetype="Maximum">
-        <horstretch>0</horstretch>
-        <verstretch>0</verstretch>
-       </sizepolicy>
-      </property>
-      <property name="maximumSize">
-       <size>
-        <width>16777215</width>
-        <height>80</height>
-       </size>
+    <item row="0" column="1">
+     <widget class="QLabel" name="chat_history_label">
+      <property name="text">
+       <string>Chat History</string>
       </property>
      </widget>
     </item>
     <item row="0" column="2">
-     <widget class="QLabel" name="label">
+     <widget class="QLabel" name="connections_label">
       <property name="text">
        <string>Connections</string>
       </property>
      </widget>
     </item>
-    <item row="1" column="1">
-     <widget class="QTextBrowser" name="messageHistory">
-      <property name="sizePolicy">
-       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
-        <horstretch>0</horstretch>
-        <verstretch>5</verstretch>
-       </sizepolicy>
-      </property>
-     </widget>
-    </item>
     <item row="1" column="2">
      <widget class="QListWidget" name="connectionsList">
       <property name="sizePolicy">
@@ -68,32 +61,43 @@
         <height>16777215</height>
        </size>
       </property>
-     </widget>
-    </item>
-    <item row="0" column="1">
-     <widget class="QLabel" name="label_2">
-      <property name="text">
-       <string>Chat History</string>
+      <property name="statusTip">
+       <string>View and/or moderate all users connected to the server.</string>
       </property>
      </widget>
     </item>
-    <item row="3" column="1">
-     <spacer name="horizontalSpacer">
-      <property name="orientation">
-       <enum>Qt::Horizontal</enum>
+    <item row="2" column="1" colspan="2">
+     <widget class="QTextEdit" name="messageBox">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Expanding" vsizetype="Maximum">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
       </property>
-      <property name="sizeHint" stdset="0">
+      <property name="maximumSize">
        <size>
-        <width>100</width>
-        <height>20</height>
+        <width>16777215</width>
+        <height>80</height>
        </size>
       </property>
-     </spacer>
+      <property name="statusTip">
+       <string>Type a message to send to the server.</string>
+      </property>
+      <property name="placeholderText">
+       <string>Type your message here...</string>
+      </property>
+     </widget>
     </item>
-    <item row="3" column="2">
-     <widget class="QLabel" name="data_stats">
-      <property name="text">
-       <string>0.00KB Sent, 0.00KB Received</string>
+    <item row="1" column="1">
+     <widget class="QTextBrowser" name="messageHistory">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+        <horstretch>0</horstretch>
+        <verstretch>5</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="statusTip">
+       <string>View all messages sent by the server and other users.</string>
       </property>
      </widget>
     </item>
@@ -118,6 +122,14 @@
    </widget>
    <addaction name="menuFile"/>
   </widget>
+  <widget class="QStatusBar" name="status_bar">
+   <property name="minimumSize">
+    <size>
+     <width>0</width>
+     <height>20</height>
+    </size>
+   </property>
+  </widget>
   <action name="actionConnect_to">
    <property name="text">
     <string>Connect to...</string>