1. YouTube Movie Maker based on Microsoft® DirectShow® technology, works well on Windows XP/Vista(32Bit and 64Bit)/7(32Bit and 64Bit)/8(32Bit and 64Bit)/10(32Bit and 64Bit), etc. need any one VGA card, and Directx 9 or higher.
2. YouTube Movie Maker use Microsoft .net technique, so your computer must install Microsoft .NET Framework 2.0 or above.
Windows Vista or later windows version already built-in Microsoft .NET Framework, only some old Windows XP computer dones't have Microsoft .NET Framework.