Avoid Isoroms.com for GTA 5 entirely. Buy the game on sale, and enjoy the full Los Santos experience safely. Have you tried downloading GTA 5 from a ROM site? Share your experience (or horror story) in the comments, but remember: we do not condone piracy—only smart, safe gaming.
The term "ISO" refers to an archive file that contains an exact copy of a disc’s data. For PC games like GTA 5, which originally shipped on multiple DVDs, an ISO would be a digital replication of those installation discs. Isoroms.com gained popularity due to its extensive library and claimed "no surveys, no bullshit" approach.
Rockstar Games has poured over $265 million into developing GTA 5 and continues to support it for free in GTA Online. Respect that effort by purchasing a legitimate copy. Your computer’s health and your peace of mind are worth far more than a risky ISO file.
If you truly cannot afford GTA 5, consider watching the story on YouTube, playing GTA San Andreas (which is often legally free on mobile with ads), or saving up for a sale. Better yet, check your local library—many now lend video games.