All VPN settings can be entered into System Preferences, under the Network preference pane.
Step 1: Open System Preferences and then select Network.
Step 2: Click + and then select VPN under the interface option. Specify PPTP, then Create.
Step 3:: Enter the VPN server’s IP address and account name. Encryption should be "None".
Step 4: Select Authentication Settings… and then enter the password.
Step 5: Select Advanced, we see an option to Send all traffic over VPN connection. Ticking this and then saving the changes will mean your Mac will pass all network traffic over the VPN.
Step 6: Make sure Show VPN status in menu bar is selected, then click Apply.
On your menu bar, you’ll see a new icon that looks like a luggage tag. Click this and then select Connect VPN.
Once it’s connected, you’ll see a timer starting.