What do you have? (e.g., HD60 X, Facecam, Stream Deck) Where did you download the file from? What operating system are you using? (Windows or Mac)
You cannot "run" a .001 file by itself; you must use an archiving tool to stitch the pieces back together.
If you're looking for a specific model number like "7z 001" on your device, check the underside of the unit or the barcode on the original packaging. Elgato 7z 001
If you only have the .001 file, it is incomplete. You'll need to go back to the source to download the remaining volumes.
I can give you the direct link to the official software so you don't have to mess with split archives! Finding Serial and Model Numbers of Elgato Devices What do you have
Creators often split high-quality 4K gameplay or large software packages into smaller pieces for easier uploading.
When you see a file ending in .001 , it means you have the . (Windows or Mac) You cannot "run" a
You might encounter this when downloading legacy Elgato Video Capture software or archived stream footage from a third party. How to Open and Extract It