Making MacOS look Retro

[JanetTheGreat]

Is there a way to have / install themes on MacOS to make your modern MacOS look like an older version?

 

[Bigwaff]

Is there a way to have / install themes on MacOS to make your modern MacOS look like an older version?

Unfortunately, no.

 

[DarkPremiumCho]

Theming on OS X ended since the introduction of El Capitan, or shall I say, Apple's pathological focus on sequoritay. Sad.