You only need to initiate the extraction on the first part ( part1.rar ). The extraction tool will automatically pull data from the subsequent parts.
If the file is password-protected, it is usually provided by the original creator of the archive. To make this more useful, Information on the game/software "Keepers Revolution"? How to solve a "file corrupt" error? Let me know which of those you need! Guide to opening rar files - Avira
Once the extraction is complete, you will typically find an .exe file to install or run the software/game. Important Safety Notes
When a file is too large, it is split into smaller, manageable parts (part1.rar, part2.rar, etc.).
You will need archive utility software such as WinRAR or 7-Zip to open and extract these files. Steps to Access the Content
Right-click on part1 and select "Extract Here" or "Extract to [Folder Name]" using WinRAR.