[Tip] Dual Boot Between Windows 10 and Your Existing Windows 7/8.1 OS
People who want to perform clean installation of Windows 10, first need to upgrade their existing Windows 7/8.1 to Windows 10 using "Get Windows 10" app or "Windows 10 Media Creation Tool" so that the product key of their Windows 7/8.1 OS can be associated with Windows 10 for successful activation. Only after that they can perform a clean install of Windows 10 if they want.
Now there might be a few people who don't want to upgrade their existing Windows OS to Windows 10. They want to keep their existing Windows OS along with the new Windows 10. In other words, some people may want to dual boot between Windows 7/8.1 and Windows 10 so that they can have both the OS in their computers.
That's why today in this tutorial, we are going to share a simple trick which can be used to have a dual boot system with both your existing Windows version (7 or 8.1) as well as the newly launched Windows 10.
This trick will include following 3 steps:
- Clean Install
So without wasting time lets start the tutorial:
STEP 1: Upgrade Existing Windows 7/8.1 to Windows 10
First of all upgrade your existing Windows 7 or 8.1 to Windows 10 so that your product key and machine ID can be associated to Windows 10 on Microsoft servers for activation purposes.
Make sure you use "Windows 10 Media Creation Tool" for this task so that you can have Windows 10 setup ISO with you which will be used later to perform clean install of Windows 10.
So first download Windows 10 ISO using "Windows 10 Media Creation Tool" and then double-click on the ISO to mount it in Windows Explorer. You can also extract its content using a file archiving software such as 7-Zip.
Now run Setup.exe file present inside the ISO and select the option to upgrade.
STEP 2: Perform Clean Installation of Windows 10 on a Different Drive
After upgrading your existing Windows 7/8.1 to Windows 10, open System Properties or Settings app and make sure Windows 10 has been activated successfully.
After this create a bootable USB of Windows 10 setup ISO using any of following methods:
- How to Create Bootable USB Drive of Windows Setup without Using Any Software?
- List of Freeware to Create Bootable USB Drive to Install Windows and Linux
Now boot using bootable USB drive and install Windows 10 on a different partition. Make sure its not the same partition which contained your previous Windows version which has been now upgraded to Windows 10.
When the installation will complete, you'll have an already activated fresh Windows 10 as you have already associated your product key with Windows 10 in step 1.
STEP 3: Restore Previous Windows Version
Now the last step! Now you have two Windows 10 in your computer: one which was upgraded from Windows 7/8.1 and the other which was clean installed.
So boot into Windows 10 which was upgraded from Windows 7/8.1 in step 1 and then follow the steps given in following tutorial to restore previous Windows version:
That's it. Once your previous Windows version is restored, you'll have both OS in your computer: Windows 7/8.1 and Windows 10 and both will remain activated.
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