For free UK PPTP VPN services, you can check out UFreeVPN, JustFreeVPN and BestUKVPN as mentioned before.
The following will show you another one — Top UK VPN.
On the Top UK VPN website, you can find the account information, such as the following:
- Server: topukvpn.com
- Username: topukvpn
- Password: 1177
While the values of server and username are fixed, the one of password will be changed frequently.
By the way, if the "topukvpn" domain is blocked in your area, you can change the server address to "18.104.22.168".