Time goes by, and, unfortunately, some devices stop receiving OS updates.

The latest Seed4Me VPN app is not compatible with some legacy operating systems. For example, Windows 7 shows the “The procedure entry point CreateDXGIFactory2 could not be located” error.
We released a special Seed4.Me versions that work on older Macs and Windows PCs.
Seed4.Me VPN 1.0.67 for Windows 7 (auto-update disabled):
[Download]
Also, you can set up PPTP or L2TP VPN manually on Windows 7 and Windows XP.