diff --git a/about-test.html b/about-test.html
index e5b1d58..b0e2355 100644
--- a/about-test.html
+++ b/about-test.html
@@ -244,7 +244,7 @@ <h5 id="features-seb-macOS"> <a class="anchorjs-link " href="#features-seb-macOS
       <div class="bs-docs-section">
         <h4 id="details" class="page-header"> <a class="anchorjs-link " href="#details" aria-label="Anchor link for: details" data-anchorjs-icon="" style="font-family: anchorjs-icons; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; position: absolute; margin-left: -1em; padding-right: 0.5em;"></a> Technical Details </h4>
         <h5 id="details-seb-windows"> <a class="anchorjs-link " href="#details-seb-windows" aria-label="Details SEB for Windows" data-anchorjs-icon="" style="font-family: anchorjs-icons; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; position: absolute; margin-left: -1em; padding-right: 0.5em;"></a> SEB for Windows </h5>
-        <p>Operating System: Microsoft   Windows 7, Windows 8/8.1 and Window 10<br />
+        <p>Operating System: Microsoft 10 (Version 1803+) and 11<br />
           License: Mozilla Public License (MPL)<br />
           Browser Engine: XULRunner (Mozilla Gecko, which is used by Firefox) <br />
           Programming Languages and Frameworks: C# (.NET), JavaScript, Mozilla XULRunner</p>
diff --git a/about_overview_de.html b/about_overview_de.html
index d8941af..4494032 100644
--- a/about_overview_de.html
+++ b/about_overview_de.html
@@ -420,8 +420,7 @@ <h4 class="seb-section-header sebnavbar-link" id="details-seb-windows">
             <ul>
               <li>Betriebssystem:
                 <ul>
-                  <li>Windows 8.1 </li>
-                  <li>Windows 10</li>
+                  <li>Windows 10, Version 1803 oder neuer</li>
                   <li>Windows 11</li>
                 </ul>
               </li>
diff --git a/about_overview_en.html b/about_overview_en.html
index 48a7542..1a17cf7 100644
--- a/about_overview_en.html
+++ b/about_overview_en.html
@@ -441,8 +441,7 @@ <h4 class="seb-section-header sebnavbar-link" id="details-seb-windows">
             <ul>
               <li>Supported operating systems:
                 <ul>
-                  <li>Windows 8.1 </li>
-                  <li>Windows 10</li>
+                  <li>Windows 10, Version 1803 or newer</li>
                   <li>Windows 11</li>
                 </ul>
               </li>
diff --git a/faq/faq_de.html b/faq/faq_de.html
index 6c2a5a1..820e1f6 100644
--- a/faq/faq_de.html
+++ b/faq/faq_de.html
@@ -231,7 +231,7 @@ <h2></h2>
           <a href="../macosx/mac_usermanual_de.html">Dokumentation SEB für macOS</a></span></p>
           <p>Bitte stellen Sie Support-Anfragen auf unserer Sourceforge-Projektseite (Fragen selbstverständlich auch in deutscher Sprache möglich). Das SEB-Team wird Ihre Anliegen dort beantworten.  </p>
           <p><strong>Bitte lesen Sie zuerst die SEB-Anleitungen und suchen Sie nach einer Lösung für Ihr Problem im SEB-Forum.</strong> Die Zeit, die wir für die Beantwortung von unnötigen Fragen einsparen, können wir für die Verbesserung von SEB einsetzen.</p>
-          <p><strong>Bitte immer angeben, welche SEB-Version  und welches Betriebssystem </strong>(z.B. <strong>Windows</strong> 7, Windows 8/8.1, Windows 10, <strong>OS X 10.11</strong>, 10.10, 10, 9, 10.8, 10.7, 10.6)<strong> Sie einsetzen</strong>, eventuell auch Details zu Ihrem Rechner. </p>
+          <p><strong>Bitte immer angeben, welche SEB-Version  und welches Betriebssystem </strong>(z.B. <strong>Windows</strong> 7, Windows 10/11, <strong>OS X 10.11</strong>, 10.10, 10, 9, 10.8, 10.7, 10.6)<strong> Sie einsetzen</strong>, eventuell auch Details zu Ihrem Rechner. </p>
           <p><strong>Sonst können wir Ihre Anfragen nicht fundiert beantworten!</strong></p>
           <p><a href="https://sourceforge.net/p/seb/discussion/" target="_blank">Forum</a></p>
           <p><a href="https://sourceforge.net/p/seb/feature-requests/" target="_blank">Wünsche für neue Funktionen</a></p>
diff --git a/faq/faq_en.html b/faq/faq_en.html
index bf9c15b..481b91c 100644
--- a/faq/faq_en.html
+++ b/faq/faq_en.html
@@ -401,7 +401,7 @@ <h3 class="page-header">Additional Resources</h3>
       <a href="../macosx/mac_usermanual_en.html">Documentation SEB for macOS</a></span></p>
     <p>Please find support following the links below to our Sourceforge project site. The SEB team will answer your questions there.</p>
       <p><strong>We kindly request you to first read the SEB manuals and search the discussion board for duplicate questions before asking.</strong> You'll save  us time, which we can better spend in improving SEB.</p>
-      <p><strong>Please always mention, which SEB version and which operating system  you are using </strong>(for example <strong>Windows</strong> 7, Windows 8/8.1, Windows 10, <strong>OS X 10.11</strong>, 10.10, 10.9, 10.8, 10.7, 10.6) and possibly other details about your system!</p>
+      <p><strong>Please always mention, which SEB version and which operating system  you are using </strong>(for example <strong>Windows</strong> 10/11, <strong>OS X 10.11</strong>, 10.10, 10.9, 10.8, 10.7, 10.6) and possibly other details about your system!</p>
       <p><strong>Otherwise we cannot answer   your questions properly! </strong></p>
   <p><a href="https://sourceforge.net/p/seb/discussion/" target="_blank">Forum</a></p>
       <p><a href="https://sourceforge.net/p/seb/feature-requests/" target="_blank">Feature Requests</a></p>
diff --git a/macosx/mac_usermanual_en.html b/macosx/mac_usermanual_en.html
index 22cef0a..c8abd6c 100644
--- a/macosx/mac_usermanual_en.html
+++ b/macosx/mac_usermanual_en.html
@@ -598,7 +598,7 @@ <h4 class="seb-section-header sebnavbar-link" id="AppearancePane">
           </ul>
           <ul id="seblist">
             <li><span class="quote">Use full screen mode</span>: Display the SEB browser full screen.</li>
-            <li><span class="quote">Touch optimized</span> (Win): Enables the touch optimized mode for Windows tablet computers (for Windows 8.1 and 10) featuring:
+            <li><span class="quote">Touch optimized</span> (Win): Enables the touch optimized mode for Windows tablet computers (for Windows 10 and 11) featuring:
               <ul id="seblist">
                 <li> Larger buttons in the SEB task bar</li>
                 <li>Touch optimized message boxes (alerts, dialogs) with larger buttons</li>
diff --git a/support/index.html b/support/index.html
index ffef49b..c46bc82 100644
--- a/support/index.html
+++ b/support/index.html
@@ -251,7 +251,7 @@ <h2 class="page-header sebnavbar-link">Exam  Administrator Support</h2>
           </span></p>
           <p>You can ask questions <strong class="red">either</strong> on our <a href="https://sourceforge.net/projects/seb/" target="_blank"><strong>SourceForge</strong></a> <strong class="red">or</strong> <strong><a href="https://github.com/SafeExamBrowser" target="_blank">GitHub</a></strong> project site.  The SEB team will answer your questions there. </p>
           <p><strong>We kindly request you to first read the SEB manuals and search the discussion board for duplicate questions before asking</strong>. You'll save  us time, which we can better spend for improving SEB.</p>
-          <p><strong>Please always mention, which SEB version and which operating system  you are using </strong>(for example <strong>Windows</strong> 10, Windows 8/8.1, Windows 7, <strong>OS X </strong>10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6) and possibly other details about your system!</p>
+          <p><strong>Please always mention, which SEB version and which operating system  you are using </strong>(for example <strong>Windows</strong> 10/11, <strong>OS X </strong>10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6) and possibly other details about your system!</p>
           <p><strong>We need as much information and details as possible to analyze a problem.</strong> </p>
           <ul id="seblist">
             <li><strong>Which exam system / e-assessment suite / quiz module of a learning management system are you using</strong>? Are you quite sure that the problem is really related to SEB? Try if the problem also happens in Firefox (Windows) or Safari (Mac).</li>
diff --git a/support_de.html b/support_de.html
index e65f492..0f11298 100644
--- a/support_de.html
+++ b/support_de.html
@@ -249,7 +249,7 @@ <h5>SEB for macOS/iOS</h5>
             <li><a href="https://github.com/SafeExamBrowser/seb-mac/discussions" target="_blank">Diskussion &amp; Support</a></li>
           </ul>
           <p><strong>Bitte lesen Sie zuerst die SEB-Anleitungen und suchen Sie nach einer Lösung für Ihr Problem im SEB-Forum.</strong> Die Zeit, die wir für die Beantwortung von unnötigen Fragen einsparen, können wir für die Verbesserung von SEB einsetzen.</p>
-          <p><strong>Bitte immer angeben, welche SEB-Version  und welches Betriebssystem </strong>(z.B. <strong>Windows</strong> 10 (welche Unterversion, z.B. 1809), Windows 8/8.1, Windows 7 <strong>macOS </strong>11, 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10, 9, 10.8, 10.7, 10.6), <strong>iOS</strong> 14, 13, 12, 11, 10, 9<strong> Sie einsetzen</strong>, eventuell auch Details zu Ihrem Rechner. </p>
+          <p><strong>Bitte immer angeben, welche SEB-Version  und welches Betriebssystem </strong>(z.B. <strong>Windows</strong> 10/11 (inklusive Unterversion, beispielsweise 1809), <strong>macOS </strong>11, 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10, 9, 10.8, 10.7, 10.6), <strong>iOS</strong> 14, 13, 12, 11, 10, 9<strong> Sie einsetzen</strong>, eventuell auch Details zu Ihrem Rechner. </p>
           <p><strong>Sonst können wir Ihre Anfragen nicht fundiert beantworten!</strong></p>
           <p><strong>Bitte  suchen Sie auch nach einer Lösung für Ihr Problem in den <a href="https://sourceforge.net/projects/seb/" target="_blank">SEB SourceForge Foren</a></strong> (Suchfeld links benutzen)</p>
           <p><a href="https://sourceforge.net/p/seb/discussion/" target="_blank">SEB SourceForge Diskussionsforum</a></p>
diff --git a/support_en.html b/support_en.html
index d1df238..300669c 100644
--- a/support_en.html
+++ b/support_en.html
@@ -248,7 +248,7 @@ <h5>SEB for macOS/iOS</h5>
             <li><a href="https://github.com/SafeExamBrowser/seb-mac/discussions" target="_blank">Discussion &amp; support</a></li>
           </ul>
           <p><strong>We kindly request you to first read the SEB manuals and search the discussion board for duplicate questions before asking</strong>. You'll save  us time, which we can better spend for improving SEB.</p>
-          <p><strong>Please always mention, which SEB version and which operating system  you are using </strong>(for example <strong>Windows</strong> 10 (please also indicate the subversion, for example 1809), Windows 8/8.1, Windows 7, <strong>macOS </strong>11, 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7), <strong>iOS</strong> 14, 13, 12, 11, 10, 9 and possibly other details about your system.</p>
+          <p><strong>Please always mention, which SEB version and which operating system  you are using </strong>(for example <strong>Windows</strong> 10/11 (please also indicate the subversion, for example 1809), <strong>macOS </strong>11, 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7), <strong>iOS</strong> 14, 13, 12, 11, 10, 9 and possibly other details about your system.</p>
           <p><strong>We need as much information and details as possible to analyze a problem.</strong> </p>
           <ul id="seblist">
             <li><strong>Which exam system / e-assessment suite / quiz module of a learning management system are you using</strong>? Are you quite sure that the problem is really related to SEB? Try if the problem also happens in Chrome (Windows) or Safari (Mac/iOS).</li>
diff --git a/windows/win_usermanual_en.html b/windows/win_usermanual_en.html
index 82a5c63..b7bd9f2 100644
--- a/windows/win_usermanual_en.html
+++ b/windows/win_usermanual_en.html
@@ -541,7 +541,7 @@ <h4 class="seb-section-header sebnavbar-link" id="AppearancePane">
           </ul>
           <ul id="seblist">
             <li><span class="quote">Use full screen mode</span>: Display the SEB browser full screen. Full screen browser mode should mainly be used with exam systems which display everything in one main window and don't open auxiliary windows: When a web page opens in a new window, this will be hidden behind the full screen main browser window when the user clicks into that. From SEB 2.1 you can access single windows in the SEB taskbar (click on the SEB icon) or with Alt-Tab.</li>
-            <li><span class="quote">Touch optimized</span>: Enables the touch optimized mode for Windows tablet computers (for Windows 8.1 and 10). <strong>In current versions of Windows 10 you need to enable the Windows 10 &quot;Tablet Mode&quot; as well before starting SEB in touch optimized mode</strong>. Select the <strong>Action Center</strong> icon on the Windows taskbar (next to the date and time), and then select <strong>Tablet mode</strong> to turn it on. The Windows on-screen keyboard is not working with the Create New Desktop kiosk mode, that's why you have to use the Disable Explorer Shell kiosk mode.
+            <li><span class="quote">Touch optimized</span>: Enables the touch optimized mode for Windows tablet computers. <strong>In Windows 10 you need to enable the Windows 10 &quot;Tablet Mode&quot; as well before starting SEB in touch optimized mode</strong>. Select the <strong>Action Center</strong> icon on the Windows taskbar (next to the date and time), and then select <strong>Tablet mode</strong> to turn it on. The Windows on-screen keyboard is not working with the Create New Desktop kiosk mode, that's why you have to use the Disable Explorer Shell kiosk mode.
               <br>
               <br>
 Touch optimized mode features are: