Download the app from the official source, then open it to browse and select your preferred nebula images for desktop wallpaper customization.

Yes, open the app, select your desired image, and set it as your desktop wallpaper directly from the interface.

It provides high-quality, curated 4K images of various nebulas for personalized desktop wallpapers with easy browsing and setting options.

The app offers 10 stunning 4K images of nebulae including Iris, North America, Pelican, Bubble, Soul, Flaming Star, and Lagoon.

Yes, simply browse the curated gallery within the app, select your preferred image, and set it as your wallpaper.

The images are provided for wallpaper use, but check the app's settings under 'Account' or 'Subscription' to see if any premium options exist.

The app offers high-quality images for wallpaper use, usually at no cost; verify within the app if there are any premium features requiring payment.

Yes, visit the app's support section or contact customer service through the app or official website for troubleshooting assistance.

Currently, Nebulas in 4K allows manual selection of images; automatic updating may not be supported but check app settings for future updates.

Go to Settings > Account > Subscription within the app to view or modify your subscription and billing information.