Changing the wallpaper on your Mac is one of the easiest ways to personalize your MacBook or iMac. Whether you want to use your own picture, set a Pinterest image, or change the lock screen wallpaper—this guide covers everything step-by-step.

This article will also help you with specific queries like:
✔ How to change wallpaper on MacBook lock screen
✔ How to change wallpaper on MacBook to your own picture
✔ How to change wallpaper on Mac from Pinterest

We’ve also added helpful internal guides like:
🔗 How to Get Emojis on Mac/Chromebook – https://multicaretechnical.com/how-to-get-emojis-on-mac-chromebook-fast-easy-guide-2025
🔗 How to Screenshot on Chromebook – https://multicaretechnical.com/how-to-screenshot-on-chromebook-laptop-lenovo-hp-acer-asus-samsung-dell
🔗 How to Paste Without Formatting on Mac – https://multicaretechnical.com/how-to-paste-without-formatting-on-mac-all-apps-2025-guide

How to Change Wallpaper on MacBook to Your Own Picture

If you want to set your photo, screenshot, or downloaded wallpaper:

Steps:

1. Save your picture to Downloads or Pictures folder.
2. Right-click the image.
3. Click Set Desktop Picture.

or

You can add a whole folder for rotating wallpapers:

• Open System Settings → Wallpaper
• Click Add Folder…
• Choose a folder with your pictures

This is ideal if you value personalization and want your Mac to feel unique.

How to Change Wallpaper on MacBook Lock Screen

Your lock screen wallpaper depends on your user account picture or desktop wallpaper depending on macOS version.

⭐ Method 1: Change Lock Screen via Desktop Wallpaper

(Works on macOS Ventura, Sonoma, and newer)

1. Change your desktop wallpaper normally.
2. Restart or lock your Mac.
3. Your lock screen wallpaper updates automatically.

⭐ Method 2: Set a Custom Lock Screen Image

1. Open Finder → Go to Folder
2. Paste: /Library/Caches/Desktop Pictures/
3. Replace the existing lock screen image with your own.
4. Restart your Mac.

Note: File names differ based on user ID. Ensure the replacement file matches the original filename.

How to Change Wallpaper on Mac from Pinterest

Pinterest is a great source for aesthetic wallpapers.

Steps:

1. Open Pinterest and search for “Mac wallpaper”.
2. Download the image to your Mac.
3. Go to System Settings → Wallpaper.
4. Click Add Folder or right-click the downloaded image → Set Desktop Picture.

Using Pinterest wallpapers is especially popular for aesthetic MacBook themes.

Extra Tips for Managing Wallpapers on Mac

• Use Dynamic Wallpapers for day–night transitions.
• Enable Change Picture every 15 minutes for slideshow mode.
• Create a wallpapers folder for easy switching.
• For multi-monitor setups, set different wallpapers for each screen.

FAQs

1. How do I change wallpaper on MacBook lock screen?

Update your desktop wallpaper or replace the system lock screen image from the Caches folder (steps above).

2. How to change wallpaper on MacBook to my own picture?

Right-click the picture → Set Desktop Picture or add it via Wallpaper settings.

3. Can I use Pinterest images as Mac wallpaper?

Yes, download the image and set it as the desktop picture.

4. How to fix wallpaper not changing on Mac?

Restart your Mac or reset Wallpaper settings.

5. How to change wallpaper on Mac automatically?

Enable Change Picture every… inside Wallpaper settings.