Remove Google Drive outage message.
You can access Construct at editor.construct.net
Make sure to login to your account from the editor.
construct.net/en/make-games/manuals/construct-3/getting-started/using-an-account
To unlock all features, you need to own a valid subscription.
construct.net/en/make-games/buy-construct
If you are still having an issue, consider sending an email to supportsbs@construct.net indicating your account username.