That being said, I found some third-party websites that offer Genshin Impact downloads, but I must emphasize that:
You cannot compress a 100GB game into 5GB without removing essential files, which would cause the game to crash or fail to update [1, 3]. download data genshin impact pc highly compressed
This is why the search for has exploded. You want the full Mondstadt, Liyue, and Sumeru experience without sacrificing your entire hard drive or waiting three days for a download. That being said, I found some third-party websites
Assuming you have found a trusted repack (FitGirl/DODI), here is the exact process to install without crashing your PC. Assuming you have found a trusted repack (FitGirl/DODI),
A reliable alternative that manages updates through its own interface. Google Play Games (PC Beta):
Downloading a "highly compressed" version of from unofficial sources is highly discouraged . Official versions of the game require significant storage— 100 GB to 150 GB on PC as of 2026. Unofficial "compressed" files often contain malicious software, such as trojans or spyware, and may lack critical game assets like audio or high-quality textures.
The safest and most effective way to manage the download size on PC is through official methods and manual optimizations. Official Download Methods