Microsoft has started pushing out the latest Windows 10 October 2018 Update (version 1809) via Windows Update service for users running earlier versions of Windows 10.
If you cannot wait to get the latest build of Windows 10 or if you want to reinstall Windows 10 for some reason, you can download the latest version of Windows 10 from Microsoft with ease.
Those of you who have upgraded to Windows 10 might want to perform a clean install of Windows 10 from USB drive. If you are one of those users who want to perform a clean install or reinstall of Windows 10, you will be glad to know that you can now legally download Windows 10 ISO for free right from Microsoft.
One can now download Windows 10 Home, Windows 10 Home N, Windows 10 Home Single Language, Windows 10 Pro, and Windows 10 Pro N ISO files from Microsoft without entering a product key.
Using this method, you can download the latest version of Windows 10 ISO directly from Microsoft without having to enter the product key.
In order to download the full version Windows 10 ISO for free, you need to complete the following steps.
Download Windows 10 ISO without entering the product key
Step 1: Visit this page of Microsoft and download Media Creation Tool. As you can see in the below picture, Media Creation Tool is available in both 32-bit and 64-bit versions. Check your version of Windows and then download the right version of Media Creation Tool.
Step 2: Run Media Creation Tool as administrator. To do so, right-click on Media Creation Tool, and then click Run as administrator option.
Step 3: On the home screen, select the second option titled Create installation media for another PC, and then click Next button.
Step 4: Here, select the language, your edition of Windows 10 and then select the architecture (32 or 64-bit). If you’re not sure, select Both option to download the Windows 10 ISO (containing both 32-bit and 64-bit) but note that the ISO file size will be larger than the normal one.
Click Next button.
Step 5: On “Choose which media to use” screen, select the second option titled ISO file, and then click Next button.
If you want to create a bootable USB of Windows 10 instead, select the first option titled USB flash drive and then select the same. Note that all files on the USB drive will be deleted during the preparation of bootable USB.
Step 6: You will be asked to choose a location to save the ISO image file. Select a location and then click Save button to begin downloading your Windows 10 ISO image file.
After downloading the ISO image, the Media Creation tool automatically verifies if the downloaded Windows 10 ISO has any issues. Once the verification is done, you will see the following screen. Click Finish button to exit.
Note that you will not need to enter a product key if you are performing clean install or reinstall of Windows 10 after upgrading your current PC from the genuine Windows 7 to Windows 10. However, you will need a genuine product key when you are installing Windows 10 on a new PC.