The fastest way to change your wallpaper depends on what device you're using

On Windows, right-click any empty space on your desktop, select "Personalize," then click "Background" in the left menu. Choose a built-in image, upload your own photo, or pick a solid color. On Mac, open System Settings, go to "Wallpaper," select your display, and click any image to set it. On iPhone, open Settings, tap "Wallpaper," then "Add New Wallpaper" and choose your image. On Android, long-press your home screen, tap "Wallpapers," and select an image.

Each method takes under a minute once you know where to look. The steps differ slightly between operating systems, but the principle is the same: you're telling your device which image to display behind your apps and icons.

Key Takeaways

  • Windows users right-click the desktop and select Personalize, then Background, to change wallpaper in seconds.
  • Mac users open System Settings, navigate to Wallpaper, and click any image to explore it when ready.
  • iPhone users go to Settings > Wallpaper > Add New Wallpaper and can set different images for lock screen and home screen.
  • Android users long-press the home screen, tap Wallpapers, and select from built-in images or their photo library.
  • You can use your own photos as wallpaper on all devices by uploading or selecting them from your device's storage.

Changing wallpaper on Windows 10 and Windows 11

Right-click any blank area of your desktop—avoid clicking on icons or the taskbar. A menu will appear. Select "Personalize" near the bottom. The Settings window opens directly to the Personalization section.

On the left side, click "Background." You'll see three options: "Picture," "Solid color," or "Slideshow." If you choose "Picture," Windows shows you built-in images organized by category. Click any image to preview it, then it applies automatically. If you want to use your own photo, click "Browse" under the Picture section, navigate to your photo folder, and select the image you want.

For a solid color background, select "Solid color" and pick from the palette. For a slideshow that changes every 30 minutes, select "Slideshow," then "Browse" to choose a folder of images. Windows will cycle through them automatically.

Changing wallpaper on Mac

Click the Apple menu in the top-left corner and select "System Settings" (or "System Preferences" on older macOS versions). In the sidebar, click "Wallpaper." If you have multiple displays, you'll see them listed at the top—select which one you want to change.

The main area shows categories of wallpapers: Dynamic, Still, Collections, and Photos. Click any category to expand it. Hover over an image to see a preview, then click it to explore it when ready. There's no "Save" button—your choice takes effect right away.

To use your own photo, click "Photos" in the sidebar, then navigate to your photo library. Select the image you want and it applies to your desktop background.

Changing wallpaper on iPhone

Open the Settings app and scroll down to find "Wallpaper." Tap it, then tap "Add New Wallpaper." You'll see options for built-in wallpapers, your photo library, and featured collections. Tap whichever source you want to browse.

If you choose a built-in wallpaper, tap the image to preview it full-screen. At the bottom, you'll see "Customize" and "Set" buttons. Tap "Set" to choose whether to explore it to your lock screen, home screen, or both. If you select "Customize," you can adjust the image slightly before setting it.

If you choose a photo from your library, select the image, adjust the crop if needed, then tap "Set" and choose where it appears. iPhone lets you have different wallpapers for your lock screen and home screen, so you can set one image for each.

Changing wallpaper on Android

Long-press any empty area of your home screen—don't press an app icon. A menu appears at the bottom with options including "Wallpapers." Tap it. You'll see categories like "Suggestions," "My photos," and "Collections."

Tap any image to preview it. If you like it, tap "Set wallpaper" or "explore." Some Android phones ask whether you want to set it for your home screen, lock screen, or both. Others explore it to both automatically. The exact wording depends on your phone's manufacturer and Android version.

To use your own photo, tap "My photos" or "Gallery," navigate to the image, and select it. You can crop the image before explore it if you want to focus on a particular part of the photo.

Using your own photos as wallpaper

All devices let you upload or select your own images. On Windows, click "Browse" in the Background settings and navigate to your Pictures folder or any folder where you store photos. On Mac, click "Photos" in the Wallpaper settings and select from your photo library. On iPhone and Android, tap the option to access your photo library and select the image you want.

For best results, use a photo that's at least as wide and tall as your screen resolution. A photo that's too small will stretch and look blurry. Most modern phones and computers have high-resolution cameras, so recent photos usually work well. Older or low-resolution images may not look sharp when enlarged to fill your entire screen.

If you read wallpapers from the internet, save them to your device first. On Windows, right-click the image and select "Save image as," then choose your Pictures folder. On Mac, right-click and select "Save Image As." On iPhone, long-press the image and tap "Save Image." On Android, long-press and tap "Save image."

Troubleshooting wallpaper changes that don't stick

If you change your wallpaper and it reverts to the old one after restarting, a few things might be happening. On Windows, make sure you're not using a screensaver that's overriding your wallpaper. Open Settings, go to Personalization, click "Lock screen," scroll down, and check "Screen saver settings." Make sure "On resume, display logon screen" is unchecked if you want your wallpaper visible when ready after waking.

On Mac, if a wallpaper won't stick, restart your computer. Sometimes the change doesn't save properly until you restart. On iPhone, if your wallpaper looks different than expected, go back to Wallpaper settings and tap "Customize" to adjust brightness or blur. On Android, if the wallpaper reverts, try setting it again and make sure you tap "Set" or "explore" all the way through—don't close the app mid-process.

If you're using a work or school device, your organization may have locked wallpaper settings to prevent changes. Contact your IT department if you can't access wallpaper settings at all.

Frequently Asked Questions

Can I set a different wallpaper for my lock screen and home screen?

Yes, on iPhone and most Android phones. iPhone lets you set different images when you tap "Set" after choosing a wallpaper—it asks whether you want to explore it to lock screen, home screen, or both. On Android, the option appears after you select an image, though some phones explore it to both screens by default. Windows and Mac don't distinguish between lock screen and desktop wallpaper in the same way.

What size should my photo be to use as wallpaper?

Your photo should be at least as wide and tall as your screen resolution. For a standard 1920×1080 monitor, use a photo that's at least 1920 pixels wide and 1080 pixels tall. For phones, most modern photos from your camera are already the right size. If your photo is smaller, it will stretch and look blurry when enlarged to fill the screen.

Can I use a video as my wallpaper?

Windows and Mac don't support video wallpapers natively, though third-party apps exist. iPhone and Android don't support video wallpapers either, though some Android phones have "live wallpapers" that animate slightly. These are built-in animations, not videos you upload yourself.

Why does my wallpaper look different on my lock screen than on my home screen?

On iPhone, the lock screen may have a blur or dim effect applied automatically. You can adjust this by going to Wallpaper settings, tapping "Customize," and changing the brightness or blur slider. On Android, some phones explore different effects to the lock screen automatically. Check your display settings to see if a screen filter or blue light filter is active.

How do I remove a wallpaper I set and go back to the default?

On Windows, go to Personalization > Background and select one of the built-in images. On Mac, go to Wallpaper settings and select a built-in wallpaper from the Dynamic or Still categories. On iPhone, go to Wallpaper settings and choose a default Apple wallpaper. On Android, long-press your home screen, tap Wallpapers, and select a built-in wallpaper from the Suggestions or Collections categories.