Windows 10: how to find my new windows product key after free upgrade from windows7 to windows10

R/Sir/Madam,


I recently got free upgrade from windows7pro to windows10 pro. But i did not get any new product key from microsoft support. so, now i want to know that can i use my old product kry (windows7 pro) whenever i need to re install my windows10pro ?? If not, how cani found my new product key?

:)

 

Product Key for Windows10 free upgrade from Windows7 Home premium

I have today upgraded my Windows 7 to free upgrade package of Windows10. Now for activating Microsoft Office in Windows10 the earlier key provided with my Windows7 is not working. Since this is a free upgrade I do not have a product package. So please
let me know how to find my new product key for the newly upgraded Windows10.
And how to

• Create a Windows 10 DVD for installation on a new hard drive
• Create a backup Windows 10 DVD
• Create a bootable USB drive with a copy of Windows 10
• What is clean reinstallation? Is it necessary after free upgradation?

 

Windows10 requiring product key


Please help, I had windows10 "successfully" installed. However, I had to while my hard drive and install windows7 home premium again...now if I try to reinstalled windows10 from there website it now asks me for a product key. Also I have waited, upgraded and allowed the PC to do its own updates etc..but still no windows10 notification in bottom right corner..hope somebody can help me, many thanks

 

Anyone can upgrade to Windows 8 Pro for $14.99.

There are two upgrades for Windows8. The $40 offer which DOES not require a key for prior version of Windows and then there is the $14.99 version for recently new purchasers of a Win7 box WHICH requires in step 2 to enter your Windows7 key.