Updated README

Author: JustChickNugget

README.md

@@ -6,6 +6,13 @@ Easily backup some or all of your Terraria players and worlds.
 
 ## System Requirements 
 
+### Version 1.1.0 and newer
+
+- Windows 10/11 (64-bit)
+- [.NET 9.0 Desktop Runtime (64-bit)](https://dotnet.microsoft.com/download/dotnet/9.0)
+
+### Version 1.0.0 and older
+
 - Windows 10/11 (64-bit)
 - [.NET 8.0 Desktop Runtime (64-bit)](https://dotnet.microsoft.com/download/dotnet/8.0)