You can change the background of your PowerPoint slides using the "Format Background" feature located in the "Design" tab.
There are two ways to make a background transparent in Photoshop: using the "Remove Background" quick action or manually by using selection tools.
If you’re looking to make your desktop background more visually engaging, you should try embedding a video with the open source app Lively Wallpaper. This app comes with some free videos for your ...