What requirements (Characteristics), does a computer need to have for Unity to run at 100%, without any errors?
What computer is recommended?

System requirements:

  • OS: Windows 7 SP1+, 8, 10; Mac OS X
    10.9+. Windows XP & Vista are not supported; and server versions of
    Windows & OS X are not tested.
  • GPU: Graphics card with DX9 (shader
    model 3.0) or DX11 with feature level
    9.3 capabilities.

The rest mostly depends on the complexity of your projects.

Additional platform development requirements:

  • iOS: Mac computer running minimum OS
    X 10.9.4 version and Xcode 7.0 or
  • Android: Android SDK and Java
    Development Kit (JDK).
  • WebGL: Mac OS X 10.9+ or Windows 7
    SP1+ (64-bit editor only).

Windows Store: Windows 8.1 (64-bit) and corresponding Visual Studio and platform SDK:

  • Windows 8.1/Windows Phone 8.1: Visual Studio 2013 or later and Windows 8.1 SDK;
  • UWP: Visual Studio 2015 or later and
    Windows 10 SDK;
  • IL2CPP scripting backend also
    requires C++ compiler feature to be
    installed with Visual Studio.