Here is my experience:
In the beginning, before the official release, I was an insider using my MS account, of course, dual booting with Win 7 Home Premium, 64 bit.
1) I upgraded from Windows 7 64 bit Home Premium to Windows 10 Home (64 bit).
2) Right away, I clean installed Windows 10 Home using the ISO I've downloaded with the Media Creation Tool.
3) A day or two later I realized that 10 Home is not good enough for me and that I need Win 10 Pro.
4) I clean installed Windows 8.1 Pro and fully updated it.
5) I upgraded Win 8.1 Pro to Windows 10 Pro.
6) I clean installed Windows 10 Pro. I am customizing it since then, and I am using it as my MAIN OS. I have never used an MS account.
7) I clean installed Windows 10 Pro again on my second SSD, leaving it untouched and using my MS account, it is set to the fast ring and I wish to use it as an Insider.
For as long as I was upgrading first and then clean-installing I have never faced any activation issue.
Last edited by Joanne; 08 Aug 2015 at 15:10.
- did you format and clean install inserting the MS Account during the installation or you created a local user then signed in with the MSA after?
- you was connected to the internet while installing?
- windows+R > winver , the user showed in this window reflect the local username, your MSA, or just microsoft?
Clean installation, for me, always means installing the OS on an unallocated SSD. So, I always delete the volumes and the partitions of my SSDs before any clean OS installation.
On the other hand, right after the clean installation I always install the required drivers for my configuration, which I keep in my USB 2.0 stick (thumb drive). These drivers are always installed in a specific order, like this: .INF, IME, AHCI driver, LAN driver, NVIDIA driver, and later the SoundCard driver. So, I never have an active Internet connection available during the clean installation of any Operating System. Until the LAN driver is installed I do not have an Internet connection. All my Win 10 installations have been activated a few minutes (or even seconds) after the connection became available.
Finally, I always use a local account to start.
On my TP installation I switched to my MS account right after I've finished with the installation of all the drivers and the Updates.
Here is my current build:
Last edited by Joanne; 08 Aug 2015 at 16:33.
Here's a possibly dumb question. Would appreciate any feedback.
I have my existing PC upgraded and activated. My OS is on an SSD. I happen to have an identical SSD that has just been secure erased. If I were to do a clean install on this SSD would my activation still remain valid as Microsoft would have my system specs on their system.
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I have done both with no problems at all. On my laptop (HP Pavilion e010us, Win8.1) I upgraded with the media creation tool, then afterwards I reset the PC and kept nothing. Installed latest drivers for all hardware, and installed some of the HP software I wanted to keep (i.e. coolsense, 3D driveguard, system utilities, etc). On my desktop (See specs, Win7ult) I again upgraded via the media creation tool, and I was actually gonna leave it alone, but it was acting weird (i.e. it would boot slower than the preview, to a black screen, make the win7 startup chime, stay black for another ~10-20 seconds, then show the logon screen) so I decided to wipe the whole drive and do a clean install. I used the media creation tool to make a DVD, wiped all the partitions, and it installed without a hitch (except for the Nvidia drivers but that is because they are broke as hell and has nothing to do with Win10 ). I used my live account for the upgrade on my laptop and the clean install on my desktop, but during the initial upgrade on the desktop I was still using my local win7 account.