More about MKey
Try MKey v188.8.131.5223; you will need 1.74 MB of free space on the hard drive. The software developer is SerioSoft who provides it for free. Versions 1.3 and 1.2 of this program are the most installed ones that run under Windows 7/10. MKey.exe and Launcher.exe are among the most popular installers that people use to get the software. A number of antivirus services checked the file and found it safe to use.