Windows 10 Home and Pro Editions

What to do to clean-install the free Windows 10 upgrade

Unlike other Windows Upgrade versions, which can only be used to upgrade qualifying previous versions of Windows, the Windows 10 upgrade version (no longer free for all owners of computers running Windows 7.0 SP1 and Windows 8.1) can be clean-installed after the upgrade has taken place and has been activated with Microsoft.

The free upgrade period ran from 29 July 2015 to 28 July 2016. If you upgraded to Win10 during the free period, your computer has a ‘digital entitlement’ to Win10 even if you go back to an earlier version that qualifies for the upgrade. The following post provides information on the digital entitlement to Windows 10.

The only way to get Windows 10 free any time after the July 29 2016 deadline –

How to get Windows 10 free any time after the July 29 2016 deadline

A clean install can be done just because the user wants a clean installation that contains no elements of the version that was upgraded or because Windows 10 fails irretrievably and has to be reinstalled and the user doesn’t have any kind of restorable backups.

An upgrade of Windows, called an in-place installation, builds itself over the existing version, leaving in place much of that previous version. A clean install is 100% fresh because it removes all of the previous installation before it installs itself. It is the best kind of installation. Of course, Windows Update will have to install all of the updates that have come out since Windows 10 was released officially on July 29, 2015. Therefore, it highly advisable to create regular backups and/or system images after a clean install so that if you have to reinstall Windows it saves plenty lot of time if the backup or system image is as up-to-date as possible, requiring Windows Update to do as little as possible.

Before you can upgrade a qualifying versions of Window to Win10, it has to be fully updated. Your qualifying version places a flag with a white cross in the Notification Area. Right-click on it to see the options to install Win10 or read information about it.

After you have given your permission for the upgrade to take place and it installs, taking as long as a few hours, depending on the speed of the computer, it should activate with Microsoft’s web servers immediately, providing a Product Key that is required to clean install Win10. To find out if activation has taken place, (using its option View by: Small icons) open the Control Panel => System . The bottom heading called “Windows Activation” should say, “Windows is activated.”

Note that the Product ID (e.g., 00127-10000-00000-AA626), provided in Control Panel => System is not the Product Key, which is five blocks each containing five letters and numbers, such as XTMG3 – M1DKKC – DDE76 – 9M9GF – 9HVZ1. If an upgrade of Win10 was arrived at from an OEM licence that brand-name PCs have, those letters are shown in the Product Key. An OEM version of Windows can only be installed on the computer it was originally installed on, it is not transferable, but a retail licence can be used on an unlimited number of PCs as long as only one computer is using it an any one time. Windows Product Activation can detect how many times a licence is being used and will only allow one computer to use a single-PC licence.

The Product Key is not easy to find in Win10. The easiest way to find it is to use a free tool such as the Belarc Advisor from http://www.belarc.com/ under Free Download on its website. When it is running on your computer, look on the left-hand side of the page for a link called “Software Licenses” and open it.

The Win10 Product Key should be there, otherwise it has not been activated. If it has not been activated, this might be because Microsoft’s activation servers are busy, so wait a while after the upgrade. If after a few days Win10 has still not activated, read the following Microsoft Community webpage:

http://answers.microsoft.com/en-us/windows/forum/…

There are two ways to perform a clean install, but whichever way you choose in case something goes wrong be sure to create a system backup or system image, using either the Windows Backup and Restore tool, retained from Win7, or a free third-party tool, such as Macrium Reflect (my preference).

The first option is to reset Windows 10 in the same way as Win7 and Win8.1 can be reset. To do that follow the following click path: Start => Update and Security => Recovery. Click on the “Get started” button of the “Reset the PC” option and choose to “Remove everything”. Doing that is not a 100% clean install just a cleaned-up install.

Here is how to get a 100% clean installation: Download the Windows 10 ISO file from this page (never download Microsoft software from anywhere other than Microsoft’s site or the Microsoft Store because it is likely to carry spyware or malware).

Download Windows 10 Disc Image (ISO File) –

http://www.microsoft.com/en-us/software-download/windows10ISO

It must be the version of Win10 that matches the version of Windows that you are upgrading: Home and Pro and 32-bit or 64-bit. For example, the 64-bit version of Windows 7 Home requires Windows 10 Home 64-bit. To find out the bittedness (32- or 64-bits), open the Control Panel with “View by: Small icons” selected and open System where that information is provided. Any upgrade-qualifying version of Windows higher than the Home version requires the Pro version of Win10.

Note well that you’ll need the Product Key, discussed earlier, in order to be able to use the bootable installation disc or USB flash drive that is created.

Also, remember to create a full backup or system image before you upgrade to Win10 so that you can restore the system should anything go wrong.

You can use the Windows Media Creation Tool (WMCT) to burn the Win10 ISO file to a DVD disc or flash drive.

Installing Windows 10 using the media creation tool –

http://windows.microsoft.com/en-us/windows-10/media-creation-tool-install

You can also use a third-party tool to burn the ISO to a DVD disc. I use CDBurnerXP, which has never failed me. I have never used it to transfer the ISO image to a flash drive, so can’t say if it works or not. Using it, open the tool and select its “Burn ISO Image” option and then browse to the downloaded file with a recordable DVD disc inserted in the DVD drive. If the file is burned successfully, you have a bootable Win10 installation disc that, when used, installs a completely fresh copy of Win10 wherever you want to put it – replace the existing installation of Windows or on a different partition or even on to a different hard disk or SSD drive. The installation procedure will be more or less the same as the upgrade to Win10 was.

I would use the WMCT to put the image on a flash drive.

To boot the system with a bootable disc or flash drive in a system that has a standard BIOS requires having the boot device set as the first boot device in the boot order of devices. Windows 8.1 and Win10 use the new UEFI BIOS that can prevent unrecognised boot discs or devices from booting the system. The web-search query “How to solve UEFI boot and startup problems” provides many articles on what actions are required to overcome that problem.

During the clean install, when you get to “Get going fast”, if you want to set the privacy-related settings to your preferences, you should choose the Customize Settings option instead of the Express Settings option, which installs Microsoft’s default settings that give Microsoft as much information about you as possible.

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