When large games or programs are shared online, they are often "split" into smaller pieces (parts) to make them easier to upload and download. To use this file, you generally need to follow these steps:
What are you seeing (e.g., "Unexpected end of archive")? Do you have an extraction tool like 7-Zip installed? Kerbal.Space.Program.2.Early.Access.part01.rar
: You must have every single numbered part (part01, part02, part03, etc.) in the same folder. If even one "piece" is missing, the archive cannot be opened. When large games or programs are shared online,
The file is the first segment of a multi-part compressed archive. Kerbal.Space.Program.2.Early.Access.part01.rar