Since today it’s possible to pre-order Windows 7 in parts of the EMEA (Europe, Middle-East and Africa) region. But because everybody want to pre-order Windows 7, the Microsoft Store is currently unavailable in the EMEA region.
When you try to visit the website to order your copy of Windows 7 you’ll see a message like the one below (probably also a message in your own language).
Let’s hope the Microsoft will be back online soon so you can quickly pre-order Windows 7 before it’s out of stock! When the store is back online again, you can order your (UK) Windows 7 versions here