Only "download" the official Platform-Tools from Google. Avoid third-party "Motorola Unlocker" .exe files found on random forums; these are often malware or scams. Stick to the official Motorola Support Site for the safest results. Unlocking Bootloaders - postmarketOS Wiki
Extract the downloaded zip file to an easily accessible folder on your computer. motorola bootloader unlock tool download
To run ADB/Fastboot commands. USB Data Cable: For connecting the phone to the PC. Only "download" the official Platform-Tools from Google