Verdict: Avoid. For a safe, stable, and legal GTA V experience, buy/download from official platforms (Steam, Epic Games Store, Rockstar) or trusted retailers. The convenience of a 200MB claim is not worth the security, legality, and functionality risks.
If you want to play the full version of GTA 5, your PC should meet these minimum specifications from Rockstar Support Minimum Requirement Windows 10 64-bit Intel Core 2 Quad CPU Q6600 @ 2.40GHz / AMD Phenom 9850 NVIDIA 9800 GT 1GB / AMD HD 4870 1GB 105 GB available space
: Even a heavily modded version that removes 98% of the game's content (missions, audio, and most of the map) still results in a file size of approximately The 40GB Barrier
of storage space depending on the version and updates. Compressing 100GB down to 200MB would require a 500:1 compression ratio, which is technologically impossible for functional game software. Stripped Content