Do you need to upgrade your windows OS to windows 8, check if your run a 64-bit or 32-bit . We have genuine and legal source for you to download your ISO file. If you have purchased a Windows 8 Key online and you need an ISO file or need to do a clean install.
Download Windows 8 And 8.1 ISO (x86 / X64)
 

There are many ways you can get Windows 7. But perhaps the easiest and fastest way to get Windows 7 iso image file is to directly download from the official HTTP server. That is you can download the iso image file from digital river and amazon
Here is the list of Urls you can download different versions of Windows 7 (note: do not have Windows Enterprise, as it is exactly the same as Windows Ultimate but under different License Volume agreement, for

Using keyboard shortcuts can greatly increase your productivity, reduce repetitive strain, and help keep you focused. For example, highlighting text with the keyboard and pressing Ctrl + C is much faster than taking your hand from the keyboard, highlighting the text using the mouse, clicking copy from the file menu, and then putting your hand back in place on the keyboard. Below are our top