https://www.techradar.com/news/software/operating-systems/best-windows-10-deals-2015-1300938

The deadline to get a free upgrade to Windows 10 has sadly now passed. Not to worry though as you can rely on TechRadar to help you buy Windows 10 for the best price. Windows 10 is generally seen as an improvement over Windows 8 - yes, the Start button is back!

So, if you're building a brand new system or want to upgrade to Windows 10 on an older device, you're going to need to buy a copy. Don't worry though, because we check the prices of Windows 10 every day to make sure you get the best deals.