When signing up for the MysteriumVPN service, you need to enter an email address. You will be using it for login and will receive your MAGIC link to that same address. Please be aware that MysteriumVPN does not use passwords for logging in, instead it requires an email address and access to the respective inboxes for a verification purposes.
So make sure that the email address you provide is valid and can be accessed by you.
If you have signed up successfully but have not received any email with your login activation, follow these steps:
Wait for up to 5 minutes after the signup for your email to arrive.
Check your junk, spam, promotions, and other sections of your email account. Activation emails are sent to many users so that they might be flagged for spam or similar.
You can get your activation link resent by following these steps:
Navigate to your MysteriumVPN Account on this page: https://app.mysteriumvpn.com/
Try log in to your account by using one of the available Log in methods
Check your e-mail again
Note: your magic link will expire in 30 minutes, and can only be used one time.