Windowslite.net - Halloween Os.iso |link|

: Removes or disables non-essential features like BitLocker, UAC, Ads, Smart Screen, and Widgets to minimize system footprint. Pros and Cons Breathes Life into Old PCs

: Run HalloWeen OS in a VM for casual Halloween fun, or as a secondary gaming OS. Do not use it as your primary work machine without proper backups.

Download the ISO, create a bootable USB, and give an old PC a seasonal makeover — fast setup, spooky vibe.