Please download the desktop app to activate Helper Pro features in browser.

Check your mailbox and find the letter with activation link. Follow the link to use your pro account.

Open the extension Helper and click on Login button there.

Log in via Google to add Helper pro features to your browser

Click «Open Televzr» to allow YouTube to launch the application.

Helper Pro is ready! Open your browser, choose video and click on Pro button to download videos with the Highest resolution.