Astrill Setup Manual:How to configure L2TP/IPSEC with Windows built-in client on Windows 7
STEP 1
Click Start button, then select Control Panel from the menu.
STEP 2
Click Network and Sharing Center.
STEP 3
Click Setup a new connection or network'.
STEP 4
Select Connect to a workplace then click Next.
STEP 5
Click Use my Internet Connection (VPN)
STEP 6
For Internet address field, type in GTX1.ASTRILL.NET, then type ASTRILL L2TP in Destination Name. Select Don't connect now; just set it up so I can connect later
STEP 7
Type your Astrill login details, your email as your Username and your Astrill account Password then click Create.
Step 8
Click Close.
STEP 9
In the Network and Sharing Center, click Change Adapter Settings.
STEP 10
Locate the Astrill L2TP connection, right-click and choose Properties.
You are connected to Astrill L2TP VPN. Now you can check your IP address (https://www.astrill.com/check-ip.php), and start surfing the internet.