Windows 10: Windows 10 clean installation from flash drive

I have an older HP laptop originally running Windows 7. I had upgraded to Windows 10 during the free upgrade offer at W10 launch. I recently had to replace the hard drive and then used recovery discs specific to my computer. I wanted to re-install Windows 10 so I downloaded installation media onto a flash drive. I wanted to do a "clean" installation of W10. Everything went smoothly and is working well but I don't think I truly did a clean install. In my "settings" recovery section it still shows Windows 7 as the option. When I ran the installation it asked me on which drive I wanted to install. There were 4 separate drive partitions labelled System, main (C, Recovery, and HP Tools. I chose C: because that is the one it automatically highlighted. I'm pretty sure the installation did not replace the recovery system with Windows 10, that it still has W7 files on it. I hadn't changed or deleted any of the partitions because I did not want to lose anything I may need to keep, i.e. System and HP Tools software. Is there a different procedure I should have used in order to do a clean install and be able to later internally recover W10 if necessary? If so do I just restart the whole operation by again booting from the flash drive or is there anything I have to remove or change? Any help will be greatly appreciated. Thanks.

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Is it time for Windows 10 already?

Here's a good step by step guide on doing a fresh install.

How to clean install Windows 10 from a USB drive - Software - Feature - HEXUS.net

 

Clean Install Workaround for Vista

You may remember this news story on techPowerUp! a couple of days ago relating to the lack of clean installs when using the Upgrade Editions of Vista, which required an old OS to be installed. However, Paul Thurrott has managed to find a workaround for this issue, which ironically lets users do a clean install Vista without any previous version of Windows, albeit a little tedious. Here are the steps:

• Boot from the Windows Vista Upgrade DVD as normal
• When prompted for a product code, leave this blank
• Select the version of Vista you have purchased and let Vista install
• When you boot to your desktop for the first time, run the Vista setup from Windows
• This time enter your product key
• When asked whether you want to do an Upgrade of Custom install, select custom and choose a clean install
• Windows will now install for a second time and you should be able to activate it

Remember, these steps are only advised for use in order to achieve a clean install of Vista, it is only legal to use the upgrade editions if you have previously purchased the appropriate version of Windows.

Source: DailyTech

 

Windows 10 clean install mess up partitions?

If I do a clean install of Windows 10, will it mess up the partitions I have on my 2TB drive?