I have installed latest Docker Desktop. Currently unable to switch to Windows container. The option is blocked from task bar :

I am running Windows 10 Home 64-bit Build 19042.
I have installed latest Docker Desktop. Currently unable to switch to Windows container. The option is blocked from task bar :

I am running Windows 10 Home 64-bit Build 19042.
You need windows 10 Pro or Enterprise to have access to Windows containers.
The other answer will indeed switch your daemon mode to Windows, but you will not be able to pull any Windows container.
Update 2022: The link above now mentions that it should work for