If you choose to proceed with a super-compressed ISO (ideally in a Virtual Machine for safety), follow these steps:
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. Windows Vista Ultimate 32-bit-only 80 MB- Super Compressed-
To the average user, this looks like a typo. After all, a stock installation of Windows Vista Ultimate (32-bit) weighs in at roughly 7 to 12 gigabytes (GB) on disk, with an installation DVD of about 2.6 GB. Squeezing an entire operating system into just 80 megabytes (MB)—the size of a low-resolution JPEG album—seems mathematically impossible. If you choose to proceed with a super-compressed
This is not an operating system. This is a war crime disguised as abandonware. It captures the essence of Vista (the crashes, the driver issues, the vague feeling of regret) while removing everything that made Vista usable (the ability to, say, open a folder). After all, a stock installation of Windows Vista
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.