Set them as your desktop wallpaper by right-clicking an image and selecting "Set as desktop background."
Drag and drop them into design software like Photopea or Photoshop for your projects. How to Open and Extract a .zip or .rar Folder on Windows Download Backgrounds rar
After extraction, a new folder will appear containing all the image files (usually in .jpg or .png format). You can now: Set them as your desktop wallpaper by right-clicking
Since Windows and macOS do not always support .rar files natively as they do with .zip files, you may need a third-party tool. you may need a third-party tool.