Download and install the app from the Microsoft Store, then open it and browse the available national park images for use as desktop wallpapers.

Yes, you can select specific images or themes within the app by navigating to the library and choosing your preferred national parks.

Open the app, select your desired image, then click the 'Set as Wallpaper' option within the image viewer or right-click menu.

Yes, the app provides high-resolution images optimized for Windows 10 desktops to ensure clear and vibrant wallpapers.

Images are included within the existing 18 themes; updates may add additional images. Check for app updates via Microsoft Store for new content.

No, the app is completely free with 18 themes; it does not currently offer paid features or in-app purchases.

Currently, all available images are free. Future updates may add subscription options, but none are available now.

Navigate to Settings > Accounts > Subscriptions in the Microsoft Store to view or manage any purchases if available.

Try restarting your device and reapplying the wallpaper in Settings > Personalization > Background; ensure the app is up-to-date.