- When you download Windows from Microsoft Store, you have two options: You can download a collection of compressed files, or you can download an ISO file.
How do I reinstall Windows 7 without losing data?
If you change the boot order of drives in your computer's BIOS, you can run the Windows installation directly from your USB drive or DVD when you first turn on your computer. Please see the documentation for your computer for information about how to change the BIOS boot order of drives.
To install the software, you can make one copy of the ISO file on a disc, USB flash drive, or other media. After you’ve installed the software and accepted the license terms that accompany the software, those license terms apply to your use of the software.
The license terms for Windows permit you to make one copy of the software as a back-up copy for re-installation on the licensed computer.
If you do not delete your copy of the ISO file after installing the Windows software, the copy of the ISO file counts as your one back-up copy. If you need to download the software again, you can go to your Download Purchase History in your Microsoft Store account and access the download there. Download the Windows 7 USB/DVD download tool. This utility lets you copy your Windows 7 ISO file to a DVD or USB flash drive.
Whether you choose DVD or USB makes no difference; just confirm that your PC can boot to the media type you select. How do I reinstall Windows 7 after replacing hard drive? To reinstall your Windows OS on your new computer, create a recovery disc that the computer can use to boot up the new, blank drive after it’s installed.