You can download the program (221 MB) from these links:
The program does not have viruses but, by custom, you must always pass a antivirus to files that you download.
Then you must uncompress it in any folder and run the file: Mendelio0_92.exe . No installation required.
Best put Fastest in graphics quality. But you can try other options according to your computer.
After clicking Play, it will take a few seconds to start the program. Especially if your computer is slow.