diff --git a/docs/start/envosx.md b/docs/start/envosx.md
index 13969600a..d93f7a3eb 100644
--- a/docs/start/envosx.md
+++ b/docs/start/envosx.md
@@ -4,7 +4,7 @@
 
 ## Supported Versions
 
-  - macOS Sierra (10.12) and later versions
+  - macOS High Sierra (10.13) and later versions
 
 
-## [More .Net Core Prerequisites Information](https://docs.microsoft.com/en-us/dotnet/core/macos-prerequisites?tabs=netcore2x)
+## [More .Net Core Prerequisites Information](https://docs.microsoft.com/en-us/dotnet/core/macos-prerequisites?tabs=netcore30)
diff --git a/docs/start/envwin.md b/docs/start/envwin.md
index 4dd316990..fc3500a64 100644
--- a/docs/start/envwin.md
+++ b/docs/start/envwin.md
@@ -5,8 +5,8 @@
  - Windows 7 64-bit
  - Windows 8.1 64-bit
  - Windows 10 64-bit
- - Windows Server 2008 R2 SP1 64-bit
  - Windows Server 2012 R2 64-bit
  - Windows Server 2016 64-bit
+ - Windows Server 2019 64-bit
 
-## [More .Net Core Prerequisites Information](https://docs.microsoft.com/en-us/dotnet/core/windows-prerequisites?tabs=netcore2x)
+## [More .Net Core Prerequisites Information](https://docs.microsoft.com/en-us/dotnet/core/windows-prerequisites?tabs=netcore30)