1. Connect to http://192.168.1.1/
2. Click on VPN Tunneling then PPTP Client.
3. Fill in the following:
Checkmark Start with WAN
Server Address: vpn.btguard.com
Both username and password are case sensitive. Make sure not to add/forget Capital Letters.
Encryption: Maximum (128 bit only)
Stateless MPPE connection
Redirect Internet traffic
Create NAT on tunnel
4. Hit Save then Start Now to connect.