Astrill Setup Manual:How to configure L2TP/IPSEC with Windows built-in client on Windows 7
Attention! L2TP/IPSEC protocol won't be supported by Astrill after 1st January, 2021.
Click Start button, then select Control Panel from the menu.
Click Network and Sharing Center.
Click Setup a new connection or network'.
Select Connect to a workplace then click Next.
Click Use my Internet Connection (VPN)
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
Type your Astrill login details, your email as your Username and your Astrill account Password then click Create.
In the Network and Sharing Center, click Change Adapter Settings.
Locate the Astrill L2TP connection, right-click and choose Properties.
Go to Security tab, set Type of VPN to Layer 2 Tunneling Protocol with IPSec. Set Data Encryption to Maximum Strength Select Allow these protocols, and ensure that only Microsoft CHAP Version 2 is selected. Click the Advanced settings button at the top and type way2stars as the Key then click OK.
Click the Networking Tab and ensure that the only thing checked is Internet Protocol Version 4 (IPv4) then click OK.
You can right click from Astrill L2TP connection now and select Connect to connect to VPN.
Now you can check your IP address here: https://www.astrill.com/what-is-my-ip. If it shows an Astrill IP, you're connected to VPN successfully and start surfing the internet.