1 - Create or log into a proton vpn account
https://account.protonvpn.com/signup 2 - Once you have an account go to - account > OpenVPN / IKEv2 username 3 - Copy the username and password 4 - Unzip the files and choose one that you want to use (like us-19 or s/t) 5 - Edit it in the Text editor app (it's a built-in chrome app on Chromebook) or somewhere 6 - All the way at the end, after "TLSAuthContents": "-----BEGIN OpenVPN Static key V1----- put in ,
"Username": "Username_here",
"Password": "Password_here"
You can just copy and paste it and you'll get the right formatting Make sure that you start the paste right after the end quotation mark 7 - Save the onc file 8 - Upload it to chrome://network#general all the way at the bottom where it says Import ONC File (don't worry if you don't notice anything, just try scrolling down a little more and it should say Networks imported: 1 (regardless of how many you actualy imported)) Enjoy!!