Always verify the source of such files, as split RAR archives from unofficial sources are common vectors for malware.
Large professional creative tools or CAD software installers. Backup/Recovery: Split backups of system directories.
Right-click and select "Extract Here." The software will automatically pull data from Part 2 to complete the file reconstruction.
Designed for 64-bit operating systems (Windows or macOS).
Ensure you have in the same folder. Install a decompression tool like 7-Zip or WinRAR.