Official unmodified Windows x64 installers:
OpenVPN: https://swupdate.openvpn.org/community/releases/OpenVPN-2.7.7-I001-amd64.msi
WireGuard: https://download.wireguard.com/windows-client/wireguard-amd64-1.1.1.msi
Authenticode signatures and MSI headers are verified before packaging.
Installers are not included in this patch: source downloads were unavailable.
The build script obtains them or accepts manually supplied installers with these names.
