YubiKey Code-Signing Setup Help -- 2

I have three "Yubikey 5C FIPS" keys. I have a "(company name).crt" file from DigiCert. ChatGPT tells me that I have set up the keys correctly with the private key in the FIPS store, on Linux Mint. I have a Windows VM that I want to use to make/build and sign .exe files... (Budget: £20 - £250 GBP, Jobs: Encryption, Security)