You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
dell-restore-system was reported malicious
OSV:MAL-2025-192306 - Malicious code in dell-restore-system (PyPI)

dell-restore-system
99.99.99

This version was deleted from PyPI around 2025-12-06. Installing fails with:
$ pip3 install dell-restore-system==99.99.99 ERROR: Could not find a version that satisfies the requirement dell-restore-system==99.99.99

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2025-12-05/ \ dell-restore-system==99.99.99
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip: