Now that the Windows 10 is out we can start customizing it, lets start with the Windows 10 start menu, lets make it look like Windows 7.
Right-click on the tiles and click on Unpin from Start.
Once they are all unpinned, the Start menu will be nice and clean similar to Windows 7.
Pin Tiles to Windows 10 Start Menu:
Right click on any of your apps and Pin to start.
Change the Color
Right click the edge of the start menu and select Personalize.
Now select the color and Save changes.