Macs, like pretty much all Apple products, are notorious for not having a highly customizable UI. They do this to keep a consistent look and feel across all of their devices, but I’ve grown bored of it over the years.
To help liven things up, Bhavin121 found a way to change the background image for the Mac OS X login window. Note that this is different than the password screen displayed after your Mac has woken up from sleep which, for the time being, cannot be changed.
This process is fairly simple and doesn’t require any Terminal wizardry.
Video: .
Before We Get Started
By default… more
Sig Nordal 