Open the archive.
Double-click the file you downloaded.
Free, tip if you like. Signed with an Apple Developer ID and notarised. On first launch macOS asks for a simple confirmation — once, and never again.
| Version | Downloads |
|---|---|
| 0.18.2 | 5 |
| 0.18.1 | 4 |
| 0.18.0 | 10 |
| 0.17.0 | 9 |
| 0.16.1 | 11 |
| 0.16.0 | 14 |
| 0.15.11 | 9 |
| 0.15.10 | 9 |
| 0.15.9 | 3 |
| 0.15.8 | 5 |
| 0.15.7 | 6 |
| All versions combined | 85 |
Read from GitHub, which hosts the files, when the site was published.
Double-click the file you downloaded.
The window shows you exactly where. <strong>Then eject the disk image</strong>: while it stays mounted, macOS knows two copies of the app under the same name, and open-at-login may point at the wrong one.
A window points out that the app came from the Internet and that it has been checked by Apple; confirming is enough. Once, and never again — that is what notarisation spares you: without it, you would have to go through System Settings. The app <strong>carries its Apple validation ticket</strong>: macOS does not need to ask Apple when it opens.
Because the store's sandbox forbids writing the system's animated wallpaper files. No app in this category is there — not even the ones that came before ours. The choice isn't commercial, it's technical.
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