Windows 7 SP1 through Windows 11, and various Windows Server editions (2003 through 2022). How to Use This File

The .rar archive may contain the Thin Client, the Full Technological Platform, or the Training Version (e.g., training_8_3_21_1709.rar ).

The file typically refers to the installation package for the 1C:Enterprise 8.3 technological platform, specifically version 8.3.21.1709 .

After installation, you can confirm the version by clicking the "i" (Help -> About) button in the 1C:Enterprise launch window.

Use a utility like WinRAR or 7-Zip to extract the contents of the .rar archive.