Windows 7 is another great improvement of computer operating systems. It succeeds to Windows XP which was probably the most popular and succesfull version of this great operating system.
Windows 7 brings a new interface, more modern, it is designed to work faster and to offer better security while using it on Internet or when install different files or programs.
It needs more system resources in order to be installed and to operate, but almost all today computers have required hardware resources.
It may take some time to get used with Windows 7 if you previously have used Windows XP, but i recommend to switch to version 7 because it has more advantages while using it and will increase you productivity.