Guides
Short, practical walkthroughs. They describe system features and free methods, not an official MacWallSpace app.
Set a still wallpaper on a Mac
System Settings steps for 4K, 5K, 6K, and 16:10 files, including a different still on each display.
Live wallpaper on a Mac, without a paid app
Honest options for using a looping MP4 or WebM on macOS, including screen savers and third-party utilities.
Which size to download
How 4K, 5K, 6K, and the MacBook 16:10 crop map to common Apple displays.