Create a Proton account
Download the Proton VPN app from the official Proton website or app store
Sign in with your Proton account
Select the Free plan
Open the app and view the available free servers
Choose a free server location
Tap or click Connect
Wait for the VPN connection to establish
Verify that your IP address has changed
Use the internet normally while connected
Disconnect when finished
Reconnect anytime using the free plan limits
Upgrade to a paid plan if you need more server locations or faster speeds