1) Install idman607.exe
2) Exit the program. (Right click on the green icon of IDM found in the system tray --> Exit)
3) Copy the file "IDMan" from the folder crack, in install folder, by default:
C:\Program Files\Internet Download Manager
and confirm to overwrite existing file.
4) Run the file "regkey" from folder "crack" to register the program.
** If after install you get the message "Fake serial number...", uninstall IDM, run "Unregister.IDM" to remove any previous serial from registry, reboot PC **