Your safest path forward:
Technically, a file smaller than 1GB cannot contain a full, functional Windows 7 installation without significant alterations. Claims of "500MB Windows 7 ISO" typically use one or more of these methods: highly compressed windows 7 iso file
: High-ratio compression is prone to data corruption. Even a single bit error during decompression can render the entire ISO unbootable. Recommended Alternatives Your safest path forward: Technically, a file smaller
: If you have a valid product key, try to source the original ISO and use tools like Rufus to create a bootable USB. Your safest path forward: Technically