Are you using an older version of Windows but like the Windows 7 theme wallpapers?
Here is how to get them without having to install themes.
When you open it, there will be a folder called DesktopBackground or something similar.
pop fire up folder to get the wallpapers to view the wallpapers for the theme.
you’ve got the option to delete the extra files and just keep the wallpapers!
Getting the Wallpaper on UbuntuExtracting the wallpaper on Ubuntu can be a little tricky.
Just take these actions and you will be able to do it.
First go to the Ubuntu Software Center under the Applications menu.
Search for 7zip and tap on the arrow to go to the applications menu.
Find the Install button and click it.
It will take a couple of minutes for 7zip to install.
After 7zip installs, terminate the Ubuntu Software Center and download a Windows 7 theme.
Store it somewhere you’re able to access it quickly.
Right-punch the theme and select Rename and get rid of the themepack extension and replace it with zip.
The file should be “Theme Name.zip” after you rename it.
Right-hit the theme and click Extract Here.
After the extracting you will have a new folder with the theme name.
Open it and go into the DesktopBackground folder to get the wallpapers.
you’re able to delete the extra files and just keep the wallpapers.