With Windows 11, it is possible to customize a pre-existing theme and even create one from scratch! You can therefore modify the wallpaper (background or wallpaper), the sounds used by the operating system, the accent color, and even the shape of the mouse cursor.

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If you dreamed of a complete customization of your office and your work environment, with Windows 11 it is possible! Personalizing your theme is even ideal when you can’t find a shoe that suits you.

Thanks to this complete tutorial, you will learn how to personalize your computer by completely customizing the wallpaper, colors, sounds and mouse cursor on Windows 11 .


  • Customize a theme on Windows 11
    • Customize the wallpaper
      • Change the wallpaper image
      • Use a solid color as the wallpaper
      • Set up a slideshow and customize it
    • Customize sounds
    • Customize colors
    • Customize the mouse cursor
  • Save custom theme

Customize a theme on Windows 11

Microsoft gives you the ability to fully customize a theme on Windows 11 on several levels:

  • the background (wallpaper);
  • the sounds (of the system);
  • the (accent) color;
  • the shape of the mouse cursor.

Warning: at the end of the tutorial, remember to save the theme you will build, otherwise you will lose all the modifications.

Customize the wallpaper

With each new edition of Windows, Microsoft offers beautiful wallpapers, but if you’re like me, you certainly like change and especially personalization.

Learn here how to change the wallpaper by choosing a still image, slideshow or solid color .

Change the wallpaper image

Enter Windows 11 Settings and go to Personalization .

Then click on Background where you can change the wallpaper.

Click the Customize your background drop- down list .

Select Image  to use a single background image.

Choose one of the recently used images or browse photos to choose one from your computer’s disk.

Select the image you want to see as your wallpaper and click Choose Image .

Watch the preview. If the image does not appear in the format you want (it is not entirely visible for example), it is possible to adjust the image (see below).

Click the Choose a fit for your desktop image drop-down list . The desktop image can be adjusted in several ways:

Fill (the image is magnified to take the full width and length of the screen)

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Adjust (the image is visible as a whole, if there is a gap on the sides or above and below, then Windows offers to choose a background color)

Stretch (the image is stretched along its length or height to fill the space)

Thumbnail (the image is reproduced several times, like a wallpaper)

Center (the image is placed in the center in its original size)

Expand (image fills screen)

Voila: you are now enjoying the wallpaper you have chosen!

Info: Are you looking for image ideas for your Windows desktop? Try royalty-free image banks: 

Pixabay , 

Pexels… Or find all the 

Use a solid color as the wallpaper

  1. Prefer a nice solid color to an image?
    Go to Settings > Personalization > Background and select Image or Slideshow from the Customize your background drop-  down list .
  2. Then choose Solid Color .
  3. A palette of 25 colors appears. If the color you want is not in the list, then click Show Colors .
  4. A color chart opens up to you. Drag the slider until you reach the desired shade. The ruler just below allows you to obtain a more or less light shade.
  5. You can also go further by clicking on More .
  6. Discover then different possibilities to find a precise color, thanks to the color codes:
    • HTML
    • RGB
    • TSV
  7. For example, I use the HTML color code for blue from the Le Crabe Info site and press OK .
  8. Here is the result on my desk, a deep blue!

Set up a slideshow and customize it

  1. Go further with a slideshow!
    Still in Settings > Personalization > Background , this time choose Slideshow from the drop-down list.
  2. Then click Browse to choose a picture album to create your new slideshow.
  3. Select a folder containing the images to use for the slideshow and choose Choose this folder .
  4. Then, configure the slideshow of your personalized theme, starting by modifying the frequency of changing the wallpaper on the line Change the image every  :
    • 1 minute
    • 10 minutes
    • 30 minutes
    • 1 hour
    • 6 hours
    • 1 day
  5. In a Windows folder, the image files are arranged in alphabetical order, but you can decide another sequence. Enable the Play images in random order option .
  6. For laptops, the slideshow freezes when using battery power, but you can still use the slideshow. To do this, enable the Let the slideshow run even if I’m using battery option .
  7. A little further down, it is also possible to choose the adjustment of the slideshow images.
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Yeah: now you know how to customize the Windows 11 desktop background with an image, a color or a slideshow! 👍

Customize sounds

51 actions (or events) exist on Windows 11. These events are listed in 3 sections: Windows, File Explorer and Windows Speech Recognition. The vast majority of these actions are accompanied by a sound that can be modified or removed

; it is even possible to add a sound to an action that does not have one by default.

Learn how to add and edit system sounds  :

  1. Open Settings , go to Personalization , then to Themes .
  2. Then go to Sounds .
  3. The sound scheme used by default is called Default Windows Sounds . It is possible to create a new model or to modify this one.
  4. Most events have their own sound. An event is for example a low battery alert or a system notification.
  5. To test the sound of an event, click on one of them, for example “The peripheral could not connect”, and make Test . You will hear the sound called “Windows Hardware Fail”.
  6. You don’t like it? To change it, it’s very simple. First click on the Sounds drop-down list . Then choose another sound, for example Windows Error .
  7. Please ? Then save your new sound pattern by clicking Save As…
  8. Name the sound model of your custom theme and hit OK .
  9. It’s not over, click on Apply to apply the changes, then click OK when it’s over.

Note: go further by applying the sound you want. Click 

Browse for it and go find the WAV sound you want to use.

Super: with the modification of the system sounds you take a new step in the personalization of Windows 11! 👍

Customize colors

On Windows 11, colors relate to two aspects: the mode (dark or light) and the accent color. The latter is used in particular in the Windows Settings application, but also in new modern Windows applications.

Learn how to customize your theme colors  :

  1. In  Settings > Personalization > Themes , enter Color .
  2. In Choose your mode , you can choose:
    • Full Clear Mode
    • Total dark mode
    • Custom (light or dark for Windows and apps) Take a look at the preview above to give you an idea of ​​the final result.
  3. You can use Transparency Effects to make windows and surfaces translucent. The colors of the wallpaper influence the tint of the windows.
  4. The accent color is visible everywhere, especially in the Settings. By default, the color is dark blue, but you can choose any color you want from the Windows color list. Or by using the color swatch by clicking Show Colors . Or an HTML, RGB or HSV color code.
  5. The accent color can also vary automatically depending on the main color of the wallpaper. Go back up a bit, click on the Accent Color dropdown  and select Automatic .
  6. Below, you can also choose:
    • Show accent color on Start screen and taskbar .
    • Show accent color on title bars and window borders .
  7. Here is an example with an automatic accent color and displaying the accent color on the start screen and taskbar. Nice, right?
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Top: you now master the customization of the colors of your theme! 👍

Customize the mouse cursor

That’s right, you can change your mouse cursor!

Follow this tutorial and you will know how to customize the mouse cursor  :

  1. Go to Settings > Personalization > Themes and enter Mouse Cursor .
  2. By default, the mouse cursor takes the following forms:
  3. If that works for you, great! Do OK and go to the last step which is to save your personalized theme. Otherwise, click None .
  4. Then choose a pre-existing template that suits you. I’m going to choose Windows default (system model) , because I like the blue circle. Try other models to find the one you like.
  5. Then press Apply followed by OK to close the window.

Note: it is possible to give any shape to the cursor of your mouse. To do this, go to 

Browse for each line and choose the image you want to use.

Congratulations: you know how to change your mouse cursor on Windows 11! 👍

Save custom theme

So as not to lose all your efforts made so far, it’s time to move on to saving and creating your new custom theme  :

  1. In Settings  > Themes , click the Save button .
  2. Name your custom theme, then hit Save .
  3. Tadam! Find your entirely personalized and original theme in the list of Windows themes!

Congratulations: you have now mastered customization and creating a new theme on Windows 11! 👍

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