HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D5B5A5F2-2C4A-4B8E-9F2C-8B5E6A7F2D1C}\ HKEY_CURRENT_USER\Software\Classes\CLSID\{D5B5A5F2-2C4A-4B8E-9F2C-8B5E6A7F2D1C}\ HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Trial Note: The GUIDs change between IDM versions. You may need to search for DownloadManager in the entire registry. IDM creates a mutex (mutual exclusion object) in the registry to detect if it's been reset. Delete:
IDM regenerates the key from a hidden backup. Step 4: The "Deep" Reset (The Real Work) You must also delete the backup keys: idm trial reset regedit
Disclaimer: This post is for educational purposes only. Circumventing trial software may violate terms of service. The author does not condone software piracy. Delete: IDM regenerates the key from a hidden backup
Newer IDM versions (v6.42+) write trial data to NTFS Alternate Data Streams (e.g., IDMan.exe: TrialDate ). Regedit cannot see these. You'll think you reset the trial, but IDM will still know. This has led to a false sense of success. The Ethical Gray Area Is resetting a trial theft? Legally, yes—you are violating the EULA. But from a technical perspective, it's an interesting artifact of software design. The author does not condone software piracy
After deleting all three locations, restart your PC (do not just restart IDM). Reinstall IDM over itself. The trial counter will show 30 days. The internet glorifies this method as "safe." It is not.
HKEY_CURRENT_USER\Software\DownloadManager\IDMResetMarker If this exists, IDM knows you tampered with the trial.