It won't give you the classic feel, but it costs $0 and requires no third-party software.
Which you are currently running (Windows 10 or 11?) startisback trial reset
The most common way to reset the trial is by finding and deleting a specific "empty" registry key. For StartIsBack Registry Editor (Win+R, type Navigate to: HKEY_CURRENT_USER\SOFTWARE\Classes\CLSID\ It won't give you the classic feel, but
Using unauthorized methods to bypass a software trial violates the End User License Agreement (EULA) and constitutes copyright infringement. startisback trial reset