Things You'll Need
Instructions
PC
Visit a website that provides PlayStation 3 themes such as PS3 Themes, PS3 Vault or PlayStation Universe.
Download new themes to the hard drive. PlayStation 3 themes use the file extension ".p3t."
Copy your PlayStation 3 themes onto a memory stick.
Remove the remove stick and insert it into an open USB port on the PlayStation 3.
Use the control pad to access the "Settings" menu. Press the "X" button to open the folder.
Scroll to "Theme Settings" and press "X."
Scroll to "Install" and press "X."
Scroll to "USB Drive" and press "X" to select it as your source.
Press "X" on the theme you want to install.
PlayStation Store
Access the Internet through the PlayStation 3.
Scroll to "Network Settings" and press "X."
Scroll to "PlayStation Store" and press "X" to access it.
Scroll to "Themes and Wallpapers" and press "X" to display a list of available themes.
Press "X" on the theme you wish to download and install. Some themes are free, while others are paid. Purchase themes with your PlayStation Network account.
Scroll to "Download" and press "X" to download the theme.
Exit the PlayStation Store and go back to the main menu.
Open the "Settings" menu.
Open "Theme Settings."
Press "X" on "Install."