It can be enabled by clicking on the Dark/Light buttons in System Preferences → General. You can also toggle Dark Mode via Siri ... meaning its code is free to peruse on GitHub.

Dark mode is a ... then toggle “Dark theme” on Alternatively, you can pull down from the top of the display to reveal the Quick Settings, then you’ll find a button to switch it on.

If you long press on the Brightness indicator in Control Center, you can toggle on ... next to "Dark Appearance" to add that button to Control Center. Turning on Dark Mode changes the look of ...

Apple appears to be working on an upcoming Safari feature that will introduce a Dark mode user preference for individual websites, based on references found in open-source WebKit code. WebKit is ...

However, it appears that Microsoft is finally on track to improve the situation with a new toggle ... a new button to Windows 11's Action Center to let users enable or disable dark mode with ...

You can toggle messages between light and dark mode using the Switch Background button at the top of the message window. You can set Outlook on the web to dark mode using the Settings menu.

Dark Mode on iPhone, iPad, and Mac is fairly flexible. You can toggle it on or off from Control Center or Settings, automatically switch based on time of day, or use local sunrise and sunset time ...