Windows 10: Can I use Windows 7 Ultimate Product key on Windows 10 pro

A few months ago, I upgraded my laptop from Windows 7 to 10 while swapping the HDD for an SSD. In doing so, now my installation of Windows 10 is not activated. Today, I stumbled upon a program called ProduKey and it helped me to find my Windows 7 Ultimate product key because i also had the HDD externally. I tried to activate Windows 10 pro with this product key and it said "The product key that you have entered didn't work. Check the product key and try again, or enter a different one. 0x80041024". Please help me as i heard people having success with this method. Thanks

:)

 

Will a Windows 7 Ultimate key activate Windows 7 Pro?

No - Typically as far as I know, a Windows 7 Ultimate key will unlock Windows 7 Ultimate.

The thing is basically what is on the INSTALLATION disc is usually exactly the same no matter what version you buy, ALL the potential content is already on the disc, and it is the Product Key itself that tells the installer what options to install/how to install them, so that you land up with your specific product.

Take an Ultimate DVD, install , but enter a windows Home key, and you will most likely get a Home install.

... or am I 'trippin? Pro's weigh in?

 

Will a Windows 7 Ultimate key activate Windows 7 Pro?

no TRWOV u can't use Ultimate key on Pro but u can download a free Windows 7, if that's the problem.

Windows 7 SP1 ISO from Microsoft's Official Distributer:

Windows 7 Ultimate 32bit

Windows 7 Ultimate 64bit

 

Will a Windows 7 Ultimate key activate Windows 7 Pro?

I've tried the opposite, was installing Win7 on a friends comp, my copy of win 7 (home premium) and his key (pro). When I entered the key, it gave me an error regarding versions. Skipping the initial key input also lead to a version error thing when Windows booted up. One big thing I noticed when I did that was it didn't let you choose the version to install if you skipped the key input. In short Vista lets you use whatever disc to install, 7 doesn't.