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Setting up a dynamic wallpaper cycler depends entirely on what you mean by “dynamic”: shifting images based on the time of day (like macOS Dynamic Desktops), shuffling through a folder of images, or using live video wallpapers. Both Windows and Mac offer built-in solutions for simple cycling, but third-party tools are required for more advanced automation.

Here is exactly how to set them up on both operating systems. 1. Shifting Wallpapers by Time of Day (macOS-Style)

This setup changes your background images seamlessly to match the actual position of the sun in your specific location. On Windows

Windows does not support location-based time-of-day shifting natively, so you must use an open-source tool.

Download the software: Install the free app WinDynamicDesktop via the Microsoft Store or GitHub.

Configure your location: Open the app and enter your city or coordinates. This allows the app to calculate precise sunrise and sunset times.

Select a theme: Choose from the pre-installed macOS ports (like Mojave, Big Sur, or Sonoma) or download custom user-created themes.

Apply changes: Click Apply to let the tool automatically cycle through the chronological image files in the background.

macOS has this functionality baked natively into the operating system.

Open settings: Click the Apple menu and navigate to System Settings > Wallpaper.

Choose a theme: Scroll down to the Dynamic Wallpapers section.

Configure the cycle: Select your preferred landscape or abstract gradient. Ensure the dropdown next to the wallpaper thumbnail is set to Dynamic (instead of strictly Light or Dark) so it transitions automatically with your local daylight hours. 2. Cycling Through a Folder of Local Images (Slide Show)

If you simply want your desktop to rotate through a personalized folder of photos at fixed time intervals, use these steps. On Windows

Open settings: Right-click the desktop and choose Personalize, then click Background.

Switch the mode: Click the Personalize your background dropdown menu and change it from Picture to Slideshow.

Target your folder: Click Browse and select the folder containing your desired wallpapers.

Set the frequency: Choose how often the images change (ranging from every 1 minute to once a day) and toggle Shuffle if you want a random order. Open settings: Navigate to System Settings > Wallpaper.

Add your folder: Scroll down to the bottom, click Add Folder (or Add Photo Album), and select your directory.

Enable shuffling: Click the newly added folder folder icon, and select Shuffle from the configuration choices.

Set the frequency: Use the adjacent dropdown menu to decide how often the images should rotate (e.g., when waking from sleep, every 15 minutes, hourly, etc.). 3. Setting Up Live Video Wallpapers

If you want moving, looping video files or interactive backgrounds instead of static imagery, follow these methods. On Windows

Get the platform: Download Lively Wallpaper (free, open-source via the Microsoft Store) or purchase Wallpaper Engine via Steam.

Load a video: Open the software and drag-and-drop any .mp4, .mkv, or .gif file directly into the application library.

Apply: Select the video and click Set as Wallpaper. These apps automatically pause video rendering when you play full-screen games or open maximized windows to protect your device’s battery and performance.

Note: macOS natively supports slow-motion aerial loops on the lock screen using Apple’s default assets. To use your own videos, a third-party app is required.

Install an app: Use an app like Dynamic Wallpaper Engine on the Mac App Store or the open-source tool Walper.

Import your media: Open the app interface, go to your personal library section, and upload your preferred .mp4 video file.

Deploy: Select your video, toggle the option to enable it on both the Home and Lock Screens, and click Set as Wallpaper. How to Setup Live Wallpapers on Mac!