1. Install and run the latest version of Apex Launcher. You can download it here
2. Download and install one of our Themes here.
3. From the homescreen, go to the App Drawer. There you click on the menu and then Apex settings.
4. In the Apex settings click on Theme settings. Then select the theme you just downloaded. In this case, Buddy Theme 4 Apex Launcher. Mark now all the boxes below (Icon Pack, font, skin, wallpaper) and hit Apply.
Done, that's it. Now your smartphone has a completely new style!