I can provide tailored optimization tips based on your setup. Share public link
If you already own the game and want to save space, there are legitimate ways to reduce the installation size, though usually not down to 20GB:
While some modders have successfully compressed Grand Theft Auto V (GTA V) gta 5 highly compressed 20gb better
While highly compressed files are highly convenient, downloading them from untrusted sources presents serious risks.
The compression only affects the download package. Once installed, the game uncompresses and still requires its full footprint on your storage drive. I can provide tailored optimization tips based on your setup
To achieve a 20GB size limit, repackers often have to alter the game assets.
For a specific subset of gamers, downloading a highly compressed version is the only viable way to play the game. Once installed, the game uncompresses and still requires
| Criteria | Full Version (105 GB) | 20GB Compressed | Winner | | :--- | :--- | :--- | :--- | | | ~24 hours | ~4.5 hours | Compressed | | Installation Storage | 105 GB | 20 GB (expands to ~50 GB) | Compressed | | Playability on HDD | Moderate stutter | Faster loading (smaller assets) | Compressed | | Offline Story Mode | 100% | 100% (identical gameplay) | Tie |
While the download is smaller, the overall experience of using a 20GB compressed file introduces several severe downsides. 1. Extreme Installation Times
: If you need the game to run better on weak hardware, use optimization mods on a full version of the game rather than downloading a "broken" compressed version.
Real-time protection often flags the decompression tools as "False Positives" and deletes essential files, causing the "ISDone.dll" error. Run as Administrator: Right-click the and select Run as Administrator