Assembly-csharp-v2.rar Site
If you intend to use a modded version of this file, the general process involves:
Developers use tools like dnSpy or ILSpy to decompile these files, study the code, or inject custom scripts. Risks and Safety Assembly-CSharp-v2.rar
the original file with the modded version in the same directory. If you intend to use a modded version