If you are upgrading from a previous version of Windows- such as Windows 7 or Windows 8, follow this article to obtain structured information on the update and installation. The functionality of this article is two fold. It provides information on both previously released versions and for clean reinstall windows 10 of your previous version from a Windows upgrade.
If you are using a preview version of Windows 10, be aware that it is a trail version and will expire within a stipulated time frame. This means that you have to update to the final version or revert to the version previously installed version. Based on the Requirements traceability matrix or RTM, Microsoft intends on providing upgrades for the final version within the trial version of Windows 10. Users appreciate the transparent testing process and even those who are not previously exposed to field testing are inclined to join. You can choose to upgrade to the paid version of Windows 10 or revert to the previously used version itself. Read on to find out more details and information of clean reinstall windows 10.
Recovery partition
Certain versions of Windows come with a pre-installed recovery partition option. This option comes in handy when a clean reinstall windows 10 is required if your system crashes. To start with you will have to boot your system by clicking on any of the function keys provided on your keyboard. The function key can be any key from F1 to F12 or the Tab key or the Delete key. Even if the recovery partition is not enabled on your computer, as is the case with Windows 7 or Windows Vista, you can use the recovery media that comes with the software as a CD or DVD. They come as single or multiple discs, labelled as Recovery Operating System. Install the drivers according to the serial number displayed on the CD. If your disc is dysfunctional or damaged, approach your system manufacturer for the recovery media.
Open Microsoft.com on your browser to obtain all the required OEM contact numbers.
Setup-Windows 10 