For users who have enabled advanced security settings, the "Enter Code" prompt serves as the second factor in the authentication chain.
If you’re setting up ProtonVPN on a with a full browser: You shouldn’t see the “enter code” prompt — just log in normally with your email/username + password. The code method is mostly for limited-input devices or second-device linking . protonvpn enter code
The implementation of the "Enter Code" interface involves a delicate balance between friction and security. For users who have enabled advanced security settings,
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The phrase "enter code" may refer to alternative validation sequences inside the ecosystem: How to use Proton VPN on Android TV protonvpn enter code