Step 1: Click the Start button (windows) and type VPN then click on "Set up a virtual private network (VPN) connection."
Step 2: In the "Internet address" box, enter vpn host name of the server that you want to connect. Enter the "Destination name", this is not important, its just for easier when you want to connect to a network on your PC.
Step 3: If you want to set up the connection, but not connnect now, simply check on "Don't connect now;" otherwise, leave it blank and click Next. (If you select dont connect now, you will need fllow by step 5, 6 when you want to connect it again)
Step 4: On the next screen, enter the vpn username and password. You'll be prompted for it again on the actual connection. Click Connect.
Step 5: When you want to connect to this vpn, click on the Windows network logo on the lower-right part of your screen (the computer icon at very bottom right) then select the VPN Connection name ("Destination name" in prev step).
Step 6: In the Connect VPN Connection box, enter the vpn username and password then click Connect.
2. Setup VPN for window XP
Step 1: Click on Start button >> Open the Windows Control Panel.
Step 2: Open the Network Connections.
Step 3: Click on "Create a new connection" menu (left side of the window). You will see The "New Connection Wizard" window display.
Step 4: Click Next to start, then select "Connect to the network at my workplace" and click Next.
Step 5: Select "Virtual Private Network connection" option then click Next.
Step 6: Enter a name for the new VPN connection in the "Company Name" textbox then click Next.
Step 7: Enter the VPN hostname then click Next
Step 8: Select "My use only" if you want this connection for you only.
Step 9: Click Finish
Step 10: Right click on newly connection (just created and the name is "Company Name" from step 6) and select "Properties"
Step 11: Enter the vpn username and password. Click Connect.
3. Setup VPN for mobile phone
Step 1: Go to "Settings" on your phone, and select "Wireless Controls"
Step 2: Chose "VPN settings"
Step 3: Chose "Add VPN"
Step 4: Chose "Add PPTP VPN"
Step 5: Enter "VPN name" that you like, and enter VPN server (VPN hostname). Check the "Enable encryption" if it's unchecked. Save the setting.