It runs. Technically. The same way a car with square wheels and no gas technically exists.
Some of these ISOs are not just compressed; they are "stripped" or "debloated." Vital components like Windows Defender, Media Center, or hardware drivers may be permanently removed to save space. Super User Installation Guide Windows Vista Ultimate 32-bit-only 80 MB- Super Compressed-
: Specifically designed for older x86 systems, supporting up to 4 GB of RAM . It runs
Installing a "Super Compressed" 80 MB version of Windows Vista Ultimate (32-bit) is a popular topic in retro-computing communities, but it comes with significant technical and security caveats. Some of these ISOs are not just compressed;
Who is this for?
A true, functional 32-bit Windows Vista Ultimate OS fitting into 80 MB does not exist. It defies compression ratios of even the most advanced algorithms (PAQ, ZPAQ) by an order of magnitude.
The installer is a makeshift script that extracts 80MB of chaos into your C:\ drive. It takes 45 seconds. You feel proud. Then, it asks for a 25-character product key. You enter 11111-11111-11111-11111-11111 . It accepts it. Red flag number one.