I’m using a Windows 7 laptop for the time being until I can repair my Windows 11 machine. Now I have one question I had once back in 2012.
My window control buttons look like this:
I want them to look like this: 
This computer is an Acer Aspire One 722, and when I retrieved it from storage, the themes may have gone corrupted, as the included themes had missing images and/or won’t change the window bar color.
How do I change the window control buttons on Windows 7 to the default ones (the second image)?
