To install SuperMemo on your computer do the following:

1. Order and download
2. Run the downloaded file (sm98zip.exe)
3. Run sm98.exe (created in previous step while extracting sm98zip.exe)

If you are a computer beginner, please read Installing SuperMemo for Beginners. You will find there step-by-step instructions on downloading, copying files, installing learning material as well as upgrading earlier versions of SuperMemo