Please use the troubleshooting below if you are unable to login to your Sim Racing Studio account.
Important Note: The LOGIN button on the Sim Racing Studio Knowledge Base is for our Customer Service Team only. This login will not work and will result in an error message that an account does not exist. Do not use this LOGIN button. See below for additional troubleshooting. 
Unable to login to SimRacingStudio to manage your Premium Add-on Subscription
If you receive and error message or that your account does not exist when attempting to login and manage your Sim Racing Studio Premium Add-on Subscription, please try the following link to access your subscription with PayWhirl: https://simracingstudio.paywhirl.com/
You can find more information on managing your Premium Add-on Subscription here: https://simracingstudio.freshdesk.com/support/solutions/articles/35000208957-premium-add-on-subscription-management
Unable to login to SimRacingStudio to view your account information
If you receive an error message that you are unable to login to www.simracingstudio.com to view your order information, please use the following link and select the Forgot Password link as shown below:
https://www.simracingstudio.com/account/my-account
If you are still unable to login to your Sim Racing Studio Premium Add-on Subscription or your
www.simracingstudio.com account, please submit a New Support Ticket at the top of this page for assistance.