How to gpg pgp signatures for Fedora Workstation 44

I got a new Thinkpad secondhand. So far it's great. However, it has Windows 11 installed. The official instructions on the Fedora website for checking the checksum and verifying the gpg pgp(?) signatures give commands to put in Bash terminal. Unless I install Bash in Windows, or download a third party app for checking gpg, I guess I'm stuck with powershell. Could anyone enlighten me on what to do? I've already downloaded the associated files from the Fedora website. I just need to complete this last verification step before flashing the iso onto a usb. I should be fine from there on. The checksum is fine.