This is a link to the Windows 32-bit client & Windows 64-bit client you need to use to access the VPN service provided by SecureSchool, ISBossBox, or LibraryDoor.
Download Windows VPN Clients
64bit - Installer, Windows 7 and later - openvpn-install-x.x.x.x.exe
32bit - Installer (32-bit), Windows 7 and later - openvpn-install-x.x.x.x.exe