The way that you log in to Spatial will depend on which platform you are using.
On the desktop web app and the mobile app, the login options will appear as seen below.
Note: You cannot login with MetaMask on the mobile app.
To login on your Meta Quest headset follow this guide: How to Pair Your Headset
If logging in with an email address, you must verify your account to complete the process.
After clicking the 'Confirm my account' link in the verification email you will be taken here.
Check the boxes and give yourself a name!
After this you will have the opportunity to create your avatar. Visit this article for the complete guide on Spatial Avatars: Create Your Avatar
If you have any issues do not hesitate to submit a support request.