In simple terms, a "highly compressed" game is a version of the original software that has been repackaged using advanced archiving algorithms (like WinRAR or 7-Zip with ultra compression) to reduce the file size significantly.
For the same amount of time, you could buy the legal version on sale for $6, apply the Downgrader mod (which reduces memory usage), and enjoy a stable 60+ FPS experience on a 15GB install. Gta 4 Highly Compressed 8gb
Developers and modders achieve this 8GB size by: In simple terms, a "highly compressed" game is
Hard drive storage is cheaper than ever. A 64GB USB 3.0 flash drive costs less than $10. Use that space to install the legitimate, safe, and complete version of Niko Bellic's masterpiece. Your PC's security is worth more than a few gigabytes. In simple terms