If you can provide more context, I can give you specific instructions for your operating system.
Right-click the PG.7z.001 file, select your archive software, and choose "Extract Here" or "Extract to..." [1]. 4. Troubleshooting Common Issues
The files must be named sequentially in the same folder (e.g., File.7z.001, File.7z.002) for the extraction software to recognize them as part of the same set [1]. To help you with this specific file, could you tell me:
Use software that supports 7-Zip multi-volume archives, such as: