The tor browser website has this download for integrity checks:
torbrowser-install-win64-12.0.4_ALL.exe.asc
There doesn’t seem to be any .asc file for gpg4win, the attachment below shows where i’m lost, how can i use this information to verify the integrity of gpg4win?
You can download the keys here: https://gnupg.org/signature_key.asc and you can find this link on https://gnupg.org/signature_key.html
I still have no idea HOW to verify the signature certificate of the gpg4win installer.
I’ve already imported the key.
Okay, it sounded like you didn’t have the key. Did you check this instructions: https://wiki.gnupg.org/Gpg4win/CheckIntegrity ?