You can launch Bitpaper by visiting https://bitpaper.io.
You can log in to Bitpaper using Email/password, Google SSO or Facebook SSO. To have access to Bitpaper's advanced features, such as creating papers and starting video calls, you will need to sign up and choose a paid plan.
Please note: Different login methods create different accounts in Bitpaper. Each account has its own subscription plan and Papers. Please ensure you always log in using the same method, either email/password, Google SSO or Facebook SSO.