You should be able to download the files from the Trezor Suite homepage[1]. You can choose from the dropdown list and download the .exe files for Windows. By the way, how did you end up with a .gpg file? Did you try to encrypt it before, or did the direct download link give you that file? I tried to use my Windows device to check the link, and it gives me the .exe file directly. CMIIW.

[1] https://trezor.io/trezor-suite