Open Control Panel by typing control panel in the search bar

Open the Network and Sharing Center Click on “Set up a new connection or network”

Select “Connect to a workplace” and click Next

Click on “Use my Internet connection (VPN)”

Edit like above and click Create
Open the Network and Sharing Center

Click on “Change adapter settings”

Right click VPN Connection LION and select Properties

Click on the “Security tab”

Select in the pulldown menu “Type of VPN” Layer 2 Tunneling Protocol with IPsec (L2TP/IPsec)
Then click Advanced settings

Select “Use preshared key for authentication”
Fill in the key you receive by mail and click on OK and on OK again.
Then Click on your network icon in the right bottom corner.

Click on Connect

Fill in your credentials when you have choose the Push option in DUO and click OK
For example, if you wanted to use a passcode to authenticate instead of Duo Push , you Should enter (don’t forget the comma after your password):

username: bob
password: *******,123456

If you wanted to use a Yubikey to authenticate instead of Duo Push , you should enter (don’t forget the comma after your password):

username: bob
password: *******,hold your finger on the yubikey