Original source code: https://git.zx2c4.com/wireguard-windows/snapshot/wireguard-windows-0.5.3.zip
I have done some fixes for installer and application code to launch this in Windows XP. Unfortunatelly, it use bcrypt.dll. There are successful cases where it was replaced. But while I have no experience for this step. I have no access to Visual Studio 2019 to test my code and continue to fix.