In spite of the official end of the free Windows 10 update offer on July 29, it seems any valid Windows 7/8.x retail product key still installs Windows 10 for now.

Windows 10 for free – you know it makes sense. I realised that on a few of my PCs, I've not had to enter in the Windows 10 product key for years, despite numerous upgrades and even fresh ...

So, if you want to try Windows 10 before acquiring the product key, you can use it for at least 180 days. Even after 180 days, you can continue using Windows 10 for free, ...

The best Windows 10 product key finder of 2025 in full: Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you’re buying the best. Find out ...