~550 MB (ISO) / ~3 GB installed Status: Very popular on YouTube

At first glance, a 500MB Windows 10 ISO sounds like a dream come true for users with slow internet, old PCs, or limited USB drive space. Official Windows 10 ISOs weigh in at 4–6 GB. A 500MB version would be roughly . But as with most things online, if it sounds too good to be true, it usually is.

If you prefer not to build your own, several community projects offer optimized, small-footprint versions: