Our software library provides KeyLemon 4.0.3 that can be downloaded free of charge. The built-in antivirus system indicates that the downloadable file is virus free. KeyLemon can be installed on Windows XP/Vista/7/8/10/11 32/64-bit. These installation files are often used to install this software: KLGuiManager.exe, KLLockEngine.exe, ControlCenter.exe and Time Stopper.exe. The most popular versions of the program are 3.2, 3.1 and 3.0. KeyLemon SA is the creator of the software.