—which utilizes high-resource algorithms like Pack 6—to achieve massive compression ratios. However, extracting a 9MB file into a 4GB ISO can take several hours or even days of 100% CPU usage. Corrupted Data : Many highly compressed files are simply
The absolute lower limit for a fully functional Windows 7 64-bit installation is around 800 MB to 1.2 GB using extreme compression and stripping many components (which often breaks functionality). Windows 7 Ultimate 64 Bit Highly Compressed -9.28 Mb