You do not need to download both files. Regular users should download and install the KoduSetup.EXE file. The KoduSetup.MSI file is for system administrators installing Kodu via SCCM.
Latest Version : 126.96.36.199
If you need a specific version of Kodu, email KoduSupport@InfiniteInstant.com. I have most of the older versions and will make them available as needed.
Supported Operating Systems
Windows 10, Windows 7, Windows 8, Windows Vista, Windows XP
A graphics card that supports DirectX 9.0c and Shader Model 2.0 or higher is required. .NET Framework 4.0 or higher is required. XNA Framework 4.0 Redistributable is required. The XNA redist is included in the .EXE version of the installer. For system admins installing via the .MSI you can get the XNA redist here: XNA 4 Redist
For questions or any support issues, email KoduSupport@InfiniteInstant.com.