If you don't want to risk a virus or a ban, you don't need to download unofficial data. You can compress the official game yourself.
Don’t risk your PC or your Genshin account to save 30GB of download. Use the official launcher or cloud gaming. download data genshin impact pc highly compressed
Some repack groups create pre-installed, compressed archives of Genshin Impact that work if you stay offline for private servers . For official servers, you cannot use these. However, players with poor internet sometimes use , then let the launcher verify and repair them. If you don't want to risk a virus
| Approach | Safe? | Works long-term? | |----------|-------|------------------| | Random YouTube "10GB repack" | ❌ No | ❌ No | | FitGirl/Dodi repack (offline only) | ⚠️ Possibly | ❌ No (updates fail) | | Official launcher | ✅ Yes | ✅ Yes | | GeForce NOW (cloud) | ✅ Yes | ✅ Yes | Use the official launcher or cloud gaming