For those who require a non-free Microsoft Office product key, there are authorized sources where you can purchase a valid key. These include: Microsoft Store: The official Microsoft Store is a reliable source to purchase genuine Microsoft Office 365 product keys. They offer different packages and subscription options, ensuring you receive a
In my case it was because my display was too high-res for the old Office 2007 product key box so it was only displaying a tiny bit of the dialogue box. I had to reduce the screen DPI way down to 100%. It was then possible to get the whole dialogue box and enter the product key (though be warned that it will be really really tiny).
The Microsoft Office Home and Student 2007 programme came with the PC from new and was already activated using the Product Key on a label on the side of my PC (which also has proof of license). Since the revamp before using the programme I am being prompted to input my Product Key. I have used up the 25 time allowance before you have to put in . 87 199 404 146 253 73 282 418