The theme you choose for your Windows 7 computer can enhance your experience as a user, and affects the desktop background, window color, sounds, and screensaver. In Windows 7, you can either create your own theme, or install a custom...
Method 1 of 2:
Creating a Windows Theme

Click on 'Start' and select 'Control Panel.' The Control Panel window will display on-screen.

Type 'personalization' into the search bar of Control Panel, and select the option when it becomes available.
Click on any one of the follow theme types. After selecting your preferred theme type, you can customize your theme even further by selecting a background, window color, sound theme, and screensaver.[1]
Click on 'Desktop Background' and indicate whether you want to use a single picture or slideshow.

Select one or more images to use for your background, then click on 'Save changes.'

Click on 'Window Color,' and select the color you want to use for your Start menu, taskbar, and window borders.

Click on 'Save changes,' then click on 'Sounds.'
Click on any item within the 'Sound Schemes' list displayed on-screen. This will change the sounds of events that take place on your computer, such as when you empty the Recycle Bin or install a new program.
Click on 'OK,' then click on 'Screen Saver.' The Windows 7 collection of pre-loaded screensavers will display on-screen.
Click on the screensaver you want applied to your computer, then click on 'OK.'
Click on 'Control Panel Home' at the top left corner of your Control Panel session.

Navigate back to Personalization and click on 'My Themes.'

Click on the unsaved theme you just created. The theme will immediately apply to your desktop and computer settings.

Click on 'Save Theme,' then type a name for your theme.

Click on 'Save.' The theme you created will now be installed on your Windows 7 computer.[4]
Update 04 March 2020
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