i upgrade my windows 8.1 to windows 10 for free -now can i clean instal windows 10 on a (new ssd)??

[yafatana]

same motherboard
same cpu

but a new ssd ??

will windows 10 will be activated autimaticaly ??

 

[Dark Lord of Tech]

http://www.microsoft.com/en-us/software-download/windows10

Can I reinstall Windows 10 on my computer after upgrading?
Yes. Once you’ve upgraded to Windows 10 using the free upgrade offer, you will be able to reinstall, including a clean install, on the same device. You won’t need a product key for re-activations on the same hardware. If you make a meaningful change to your hardware, you may need to contact customer support to help with activation. You’ll also be able to create your own installation media, like a USB drive or DVD, and use that to upgrade your device or reinstall after you’ve upgraded

http://www.microsoft.com/en-us/windows/windows-10-faq

 

[Norton72]

Thank you. I will be needing this information when my new SSD arrives.

 

[Serguei]

May be it's too late for my info, sorry.

Recently I've done HDD to SSD upgrade on 2 PCs and have some troubles with one. Bouth were upgraded on HDDs from Windows 8.1 to 10.
Clean install on first PC was simple: boot Windows 10 USB and click "skip"/"later" whenever the key is asked. No activation problems happened.
But on the second one I've flashed modded BIOS before clean install and got MS activation error: somthing like "This key is locked..."
God Save I had 8.1 USB boot flash! So I installed 8.1, then free upgraded it to 10 and finally made clean Windows 10 installation! Success!

Good Luck!