Windows 7 has such a cool and Frutiger Aero aesthetic so here's how to make Windows 10 look like Windows 7.
Classic Shell or Open-Shell Makes your taskbar look like the one in Windows 7. For Open-Shell you're gonna need a Windows 7 skin. You can change the shell icon to the old windows 7 one or just leave it as it is.
For the games and other apps, here. Additionally you can get the OldNewExplorer.
You can get the old icons here.
For the background just use the wallpapers that came in Windows 7. For the login background, use the win7 login one and replace the user icon with the flower one.