If you need a lightweight Windows:
Leo spent the next three hours at a friend’s house with a faster connection, downloading the official 3.6GB ISO. He came back, plugged in the USB, and installed the real Windows 8.1. It worked flawlessly. Windows 8.1 Highly Compressed 600mb
If you have an old Surface RT or Nokia Lumia 2520, the system image is naturally small (around 1.2 GB). But you cannot install standard .exe files here. If you need a lightweight Windows: Leo spent