https://gpg4win.org/download.html
Open command line inside Downloads folder
gpg --auto-key-locate nodefault,wkd --locate-keys torbrowser@torproject.orggpg --output ./tor.keyring --export 0xEF6E286DDA85EA2A4BA7DE684E2C6E8793298290
gpgv --keyring .\tor.keyring torbrowser-install-win64-12.5.6_ALL.exe.asc torbrowser-install-win64-12.5.6_ALL.exe.