1. To get a free license, install the Browsec VPN or Hoxx VPN Proxy extension for your browser, as an alternative, use the Outline VPN or ProtonVPN Free application and connect from any country except Russia
2. Go to the offer page,
enter your name, email address and click the “Create account” button.
3. Enter the six-digit code sent to the mail.
4. Set a master password.
5. Click “Create an account and add a card later”.
6. Download the secret key in PDF format and save it on your computer.
7. Download 1Password
and install it using the login credentials and passcode from the PDF file:
8. Right click on the tray icon and go to “Settings”.
Source & more info.