update readme

Author: taooceros

README.md

@@ -368,4 +368,7 @@ Get in touch if you like to join the Flow-Launcher Team and help build this grea
 
 - Install Visual Studio 2022
 
-- Install .Net 6 SDK via Visual Studio installer or manually from [here](https://dotnet.microsoft.com/en-us/download/dotnet/thank-you/sdk-6.0.300-windows-x64-installer)
+- Install .Net 7 SDK 
+  - via Visual Studio installer
+  - via winget `winget install Microsoft.DotNet.SDK.7`
+  - Manually from [here](https://dotnet.microsoft.com/en-us/download/dotnet/7.0)