You can reinstall Windows from scratch using the product key that came with your PC, but you’ll have to find installation media yourself. Microsoft offers free Windows ISO files — if you know where to look. These tricks let you reinstall Windows without visiting a shady Bit Torrent site and downloading ISOs that may be filled with malware. These links give you official installation media straight from Microsoft. Note: depending on the OEM version of Windows that you are running, you will sometimes have an issue using the OEM key with a retail version of Windows, but you can always install and then call Microsoft and get them to straighten it out and allow your copy to activate. The most important thing is that you have a valid license key. Note: We’ve been updating this article with every new release and now we’re updating for Windows 10. Download Windows 10 ISO Image Anybody can grab Windows 10 directly from Microsoft’s web site as of right now. Download the Windows 10 ISO image. Windows 7 Windows 7 ISO files are available for download from Digital River, an officially licensed distributor of Microsoft software. These are the same ISO files you’d get if you purchased a digital copy of Windows 7 online. This isn’t an officially supported way to get Windows 7 installation media — Microsoft won’t recommend this trick — but it’s worked for years. If Microsoft didn’t want users doing this, they’d have disabled access to the files long ago. This won’t help you pirate Windows 7, anyway — even if you download Windows 7 and install it on your PC, you can’t use it for more than 30 days without entering a genuine product key. Update! Microsoft has removed the Windows 7 downloads from Digital River, but you can download them directly from Microsoft as long as you have a valid product key. Download Windows 7 from Microsoft Product Recovery Some people report that the Digital.
 Store Store home Devices Surface PCs however, a strong feature of upgrading is available and the new windows 10 allows you to directly update from windows 7 to the latest version as well as to an new world of Microsoft Windows 8. How To Install Windows 7 From ISO Image After you successfully downloaded windows 7 ISO file. Save it on your PC. Follow the tutorial about Windows 7 Pro USB Installation. The steps to install windows 7 are simple and easy. Comment here if you face any issues during windows 7 Pro ISO.
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