packages/Xamarin.Forms.4.1.0.581479/build/Xamarin.Forms.targets(5,5): Error XF005: The $(TargetFrameworkVersion) is less than the minimum required You need to increase the $(TargetFrameworkVersion) code example

Example: How to change API levels in Vixual Studio

Go to this link:https://docs.microsoft.com/en-us/xamarin/android/app-fundamentals/android-api-levels?tabs=windows#minimum