I have used windows 7 since it launched and moved to 10 & 11. I like some design elements of windows 7, but I would absolutely not use it today.

If you think, "I should try this", Any reason why? I'm really curious to know

> Any reason why?

The 2d design of modern interfaces is terrible. Everything looks like a "Label". Scrollbars are terrible. Light gray on dark gray. And, worst of all, they need 3d acceleration to draw a bloody 2d label.