diff --git a/net/getting-started/system-requirements.md b/net/getting-started/system-requirements.md
index 3ed17cb..1438235 100644
--- a/net/getting-started/system-requirements.md
+++ b/net/getting-started/system-requirements.md
@@ -51,13 +51,13 @@ GroupDocs.Viewer for .NET supports .NET as follows:
 
 ### .NET Framework
 
-* .NET Framework 2.0
-* .NET Framework 3.5
-* .NET Framework 4.0
-* .NET Framework 4.5.0
-* .NET Framework 4.5.1
-* .NET Framework 4.5.2
-* .NET Framework 4.6.0
+* .NET Framework 2.0 (out of support since v22.3)
+* .NET Framework 3.5 (out of support since v22.3)
+* .NET Framework 4.0 (out of support since v23.8)
+* .NET Framework 4.5.0 (out of support since v23.8)
+* .NET Framework 4.5.1 (out of support since v23.8)
+* .NET Framework 4.5.2 (out of support since v23.8)
+* .NET Framework 4.6.0 (out of support since v23.8)
 * .NET Framework 4.6.2
 * .NET Framework 4.5.0
 * .NET Framework 4.5.1