What is the of the computer you are trying to fix? How much RAM does it currently have?
An authentic, unmodified Windows 7 ISO typically ranges from 2.5GB to 4GB depending on the specific edition (such as Home Premium, Professional, or Ultimate) and whether it is a 32-bit or 64-bit architecture. Attempting to compress this down to 500MB requires aggressive stripping of core system files, which severely impacts stability, security, and functionality. The Reality of "Highly Compressed" 500MB Windows 7 ISOs What is the of the computer you are trying to fix
Operating systems are complex ecosystems. Shrinking Windows 7 from its original size down to 500MB requires aggressive modification that compromises your digital safety. 1. High Risk of Malware and Spyware Injection which severely impacts stability