How To 

How to Set Slideshow with Custom Images as Wallpaper In Windows 10

In addition to setting a static image or solid color as desktop wallpaper, you can also configure Windows 10 to automatically change the wallpaper images after certain intervals. The best part is, you can even choose your preferred images while setting up the wallpaper slideshow.
Here’s how:
Pre-Setup
Before you begin setting up slideshow of your custom images as Windows 10 wallpaper, make sure to create a folder and put all the images you want to participate in the slideshow in it.
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Set Slideshow as Wallpaper
    Get to the Personalization window
    Right-click anywhere on the desktop window, and click Personalize from the context menu that appears. This opens the Personalization window in the Settings box with the Background category selected by default. From here you can make any modifications to the background, and customize the appearance of your Windows 10 as per your preferences.
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    Enable slideshow
    Select Slideshow from the Background drop-down on the Background category window. This tells Windows 10 that you want it to change the background images automatically after certain time intervals.
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    Select the album
    Click Browse, use the Select Folder box that opens up to navigate and locate the folder with the images you want to use in the slideshow, and click Choose this folder. This selects the folder for the slideshow. All the images that the selected folder contains would be displayed as desktop wallpaper. It is suggested that you place the folder with the images at static location in your PC and don’t move it from there. This is important because Windows 10 would always look for the same path and folder while changing the images during the slideshow.
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    Set interval
    Click the Change picture every drop-down list, and select your preferred time interval (default is 30 minutes). This tells Windows 10 that it has to change the wallpaper after each set duration.
    Note: The lesser the time interval you set, the more frequently the images would change, and more workload the processor would have to face.
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    Set order, availability, and visibility (Optional)

Turn on the Shuffle and Allow slideshow when on battery power switches, and click your preferred fit (Fit for this demonstration) from the Choose a fit drop-down list. This randomly selects the images to set as wallpaper while changing, lets the slideshow run even when your PC (typically a laptop) is running on battery, and scales the wallpaper image according to the selected fit type respectively. Although these settings are optional, configuring them smartly would make your desktop screen look more attractive and relaxing.
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