This means the technique probably won’t work in a virtual machine, or a really old PC.
Every thing is done now, so let’s change the window border.
Launch Emerald from System > Preferences > Emerald Theme Manger.
it’s possible for you to hit one of them to apply it.
Still haven’t found what you like?
That’s no problem, because you’re free to download and add more themes.
Just head towww.gnome-look.organd then choose Beryl from the right side of the web page.
From there, you’ve got the option to download thousands of free themes.
Now the theme is installed and ready to be used.
That’s pretty much all there is to it.