High compression requires significant CPU power to unpack. A highly compressed repack can take anywhere from 40 minutes to 2 hours to install, depending on your CPU and whether you use an SSD or HDD. Performance for Low-End PCs

Official downloads are already compressed to some degree, but "highly compressed" repacks often shrink the initial installer size by removing unneeded languages or re-encoding media.

Using software like Low Specs Experience can help achieve stable frame rates on systems that struggle with standard settings.

Usually around 37 GB , which then expands to over 50 GB after installation.