For the cost of the time you spend troubleshooting driver failures, malware infections, and broken updates, you could have installed Linux Lite (1.5GB) or purchased a used 64GB USB drive (to hold the real 4GB Windows 8 ISO).
A: No. While communities like TeamOS have internal moderation, no site that distributes cracked Microsoft software can be considered "safe." windows 8 highly compressed repack
A: A myth. Modern games require services (audio, input, networking) that repacks strip out. You will spend 10 hours fixing errors to play 2 hours of a game from 2012. For the cost of the time you spend
Standard Windows 8.1 ISO size: ~3.5 GB to 4.2 GB. "Highly Compressed Repack" claim: 100 MB to 500 MB. Modern compression algorithms (7z, WinRAR, LZX) are excellent, but they are not magic. A 4GB ISO contains compiled executables (EXEs), DLL files, and system images. These files are already optimized. The best true compression you can hope for on a vanilla Windows ISO is roughly 15-20% reduction (down to ~3GB). "Highly Compressed Repack" claim: 100 MB to 500 MB
It is real, it exists, but it is a stripped, un-updateable, highly dangerous version of an OS that Microsoft already killed two years ago.
For users with painfully slow internet connections or those living in regions with data caps, the promise is irresistible: a full, functional Windows 8 operating system squeezed down from a standard 4GB ISO file to a mere 800MB, 400MB, or even a laughable 100MB.