Inputting a legitimate registration key removes these operational bottlenecks, allowing for uninterrupted, large-scale industrial simulation testing. How to Obtain and Apply a Mod-RSSIM Registration Key
If you are trying to use the original software and see an "Unregistered" message: mod-rssim registration key
If your registration key is rejected or reverts to evaluation mode, use this checklist to resolve the problem: Administrative Privileges allowing for uninterrupted