diff -r 304386ff96a4 -r cd70c845563a src/about.ui
--- a/src/about.ui	Mon Jun 27 23:58:04 2022 +0300
+++ b/src/about.ui	Tue Jun 28 00:25:10 2022 +0300
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>720</width>
-    <height>539</height>
+    <width>930</width>
+    <height>436</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -15,15 +15,47 @@
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <widget class="QTextBrowser" name="textBrowser">
-     <property name="html">
-      <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
+    <widget class="QTabWidget" name="tabWidget">
+     <property name="tabPosition">
+      <enum>QTabWidget::South</enum>
+     </property>
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="tab">
+      <attribute name="title">
+       <string>Version and build information</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QTextBrowser" name="versionBrowser">
+         <property name="html">
+          <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
 &lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
 p, li { white-space: pre-wrap; }
 &lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'EPSONEXT 丸ゴシック体Ｍ'; font-size:11pt; font-weight:400; font-style:normal;&quot;&gt;
-&lt;h1 style=&quot; margin-top:18px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:xx-large; font-weight:600;&quot;&gt;%APPNAME% %VERSION%&lt;/span&gt;&lt;/h1&gt;
-&lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Qt version %QTVERSION%&lt;/p&gt;
-&lt;hr /&gt;
+&lt;h1 style=&quot; margin-top:18px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;img src=&quot;:/icons/appicon.png&quot; height=&quot;64&quot; /&gt;&lt;span style=&quot; font-size:xx-large; font-weight:600;&quot;&gt; %APPNAME% %VERSION%&lt;/span&gt;&lt;/h1&gt;
+&lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Qt version: %QTVERSION%&lt;/p&gt;
+&lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Compiler: %COMPILER_ID% %COMPILER_VERSION%&lt;/p&gt;
+&lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Compiler system: %COMPILER_SYSTEM% (%COMPILER_CPU%)&lt;/p&gt;
+&lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Compiler flags: %COMPILER_FLAGS%&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="tab_2">
+      <attribute name="title">
+       <string>Copyright</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <widget class="QTextBrowser" name="copyrightBrowser">
+         <property name="html">
+          <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
+&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
+p, li { white-space: pre-wrap; }
+&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'EPSONEXT 丸ゴシック体Ｍ'; font-size:11pt; font-weight:400; font-style:normal;&quot;&gt;
 &lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;%COPYRIGHT%&lt;/p&gt;
 &lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.&lt;/p&gt;
 &lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.&lt;/p&gt;
@@ -63,7 +95,11 @@
 &lt;td&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;MIT&lt;/p&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/body&gt;&lt;/html&gt;</string>
-     </property>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
     </widget>
    </item>
    <item>