It is more expensive than the previous Microsoft operating systems, Some of the users have problems such as their system hangs after installing Windows 7, Only the advanced users are convenient with windows 7, and New users find it difficult to use windows 7 and they switch back to Windows XP itself. Many applications have failed to run in Windows 7 and they are asking for online support, Some of the users are not satisfied with the new features because they need to buy out the additional resources such as RAM, to make use of them. Windows 7 needs a RAM capacity of at least 1 GB, It cannot be easily upgraded from windows XP, It has the drawbacks of upgrading the operating system in an easy manner. You will find fewer crashes on Windows 7 Because Windows 7 is more stable than Windows Vista, and Windows Media Player has got a lot of enhanced attributes inside Windows 7, and drag and drop alternative has been added which had been not there inside the earlier versions.