I have Windows 8 64bit and when I try to install iTunes v11 I get this error
An error occured during the installation of assembly 'Microsoft. VC80.CRT, type="win32", version="8.0.50727.4053", publicKey Token="1fc8b3b9a1e18e3b",processorArchitecture="amd64"'. Please refer to Help and Support for more information. HRESULT: 0x80073721.