How do I use an already existing SST account (pre-registered User ID)?
If you want to activate an already existing SST account when registering, choose the ”Use a pre-registered UID option and locate and open your SSI file that contains your user profile. Enter your password to access your SSI file (if it is password-protected) and click Next to complete the Sign-In process. Once your UID is successfully transferred to your computer, click Finish to launch SST.