diff --git a/Manual.md b/Manual.md
index 628c9cd..47e663e 100644
--- a/Manual.md
+++ b/Manual.md
@@ -611,4 +611,12 @@ Note that it is possible to activate all versions in the VL ( Volume License ) c
 * <sup>[8]</sup> https://github.com/CNMan/balala/blob/master/pkconfig.csv
 * <sup>[9]</sup> http://www.level7techgroup.com/docs/kms_overview.pdf
 * <sup>[10]</sup> https://www.dell.com/support/article/it/it/itbsdt1/sln266176/windows-server-using-the-key-management-service-kms-for-activation-of-volume-licensed-systems?lang=en
-* <sup>[11]</sup> https://social.technet.microsoft.com/Forums/en-US/c3331743-cba2-4d92-88aa-9633ac74793a/office-2010-kms-current-count-remain-at-10?forum=officesetupdeployprevious
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+* <sup>[11]</sup> https://social.technet.microsoft.com/Forums/en-US/c3331743-cba2-4d92-88aa-9633ac74793a/office-2010-kms-current-count-remain-at-10?forum=officesetupdeployprevious
+* <sup>[12]</sup> https://betawiki.net/wiki/Microsoft_Windows
+* <sup>[13]</sup> https://thecollectionbook.info/builds/windows
+* <sup>[14]</sup> https://www.betaarchive.com/forum/viewtopic.php%3Ft%3D29131+&cd=10&hl=it&ct=clnk&gl=it
+* <sup>[15]</sup> https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=12&cad=rja&uact=8&ved=2ahUKEwjmvZihtOHeAhVwyoUKHSjeD5Q4ChAWMAF6BAgHEAI&url=ftp%3A%2F%2Flynas.ittc.vu.lt%2Fpub%2FMicrosoft%2FWindows%2520Vista%2FWindows%2520Vista_Volume_Activation_2.0%2FWindows%2520Vista%2520Volume%2520Activation%2FWindows%2520Vista_Volume_Activation_2.0%2Fvolume%2520activation%25202%25200%2520step-by-step%2520guide.doc&usg=AOvVaw3kqhCu3xT-3r416DRGUUs_
+* <sup>[16]</sup> https://www.itprotoday.com/windows-78/volume-activation-server-2008
+* <sup>[17]</sup> https://docs.microsoft.com/en-us/windows-server/get-started-19/activation-19
+* <sup>[18]</sup> https://docs.microsoft.com/en-us/windows-server/get-started/windows-server-release-info
+* <sup>[19]</sup> https://support.microsoft.com/en-us/help/13853/windows-lifecycle-fact-sheet
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