Once extracted, you will likely have a folder containing the game executable ( ConanSandbox.exe ) and data files.
You only need to initiate the extraction from the of the series. Right-click on Conan Exiles Build.26102022.part1.rar . Conan Exiles Build.26102022.part10.rar
Select or "Extract to [Folder Name]" using tools like WinRAR or 7-Zip . Once extracted, you will likely have a folder