The PPTP/L2TP/SOCKS5 protocols are provided for devices lacking compatibility with the Private Internet Access application or OpenVPN protocol. PPTP/L2TP/SOCKS5 should be used for masking one's IP address, censorship circumvention, and geolocation.
If you need encryption, please use the Private Internet Application or OpenVPN protocol with our service.
This configuration uses a Generated PPTP/L2TP/Socks5 Username and password, If you have not generated this yet, please follow the steps here: Generating a Password for PPTP/L2TP/SOCKS
Step 1: From the Windows Start Menu, choose Control Panel
Step 2: Click View Network status and tasks
Step 3: Set up a new connection or network
Step 4: Select Connect to a workplace and click Next
Step 5: Use my Internet connection (VPN)
Step 6: For Internet Address, enter us-west.privateinternetaccess.com (https://www.privateinternetaccess.com/pages/client-support/windows7-l2tp#regional_gateways)
Or if you prefer to use a specific location, You can find the full list of locations here: https://www.privateinternetaccess.com/pages/network
Step 7: In the Destination Name, type: Private Internet Access L2TP
Step 8: Check the Box that says Don't connect now; just set it up so I can connect later
Step 9: Click Next
Step 10: Enter your Generated Username (example x1234567) and password for Username and Password.
If you have not generated this yet, please follow the steps here: Generating a Password for PPTP/L2TP/SOCKS
Step 11: Check the Remember this password box if you don't want to have to type the password each time.
Step 12: Click Create
Step 13: Click Close
Step 14: In the Network and Sharing Center, click Change Adapter Settings on the left.
Step 15: Locate the Private Internet Access L2TP connection, Right-Click and choose Properties
Step 16: Click the Options Tab, and Uncheck Include Windows logon domain
Step 17: Click the Security Tab
Step 18: Set Type of VPN to Layer 2 Tunneling Protocol with IPSec
Step 19: Set Data Encryption to Maximum Strength
Step 20: Select Allow these protocols, and ensure that only Microsoft CHAP Version 2 is selected.
Step 21: Click the Advanced settings button at the top.
Step 22: For the key, type: _ mysafety_
Step 23: Click OK
Step 24: Click the Networking Tab and ensure that the only thing checked is Internet Protocol Version 4
Step 25: Click OK
Step 26: You can now connect to the VPN
Step 27: If you are unable to connect using that, Try applying the fix described here http://support.microsoft.com/kb/926179