PKG Files
1.
Click the download for the PKG file you want.
2.
When prompted, select Save to Hard Disk or Save.
3.
Choose the Packages folder if asked. If not, the file will save to the default location.
4.
Navigate to Game → Package Manager on the XMB.
5.
Select Standard Package Installation and choose your PKG file.
6.
Follow the on-screen prompts to complete the installation.
Themes
1.
Click the download for the theme you want.
2.
When prompted, select Save to Hard Disk or Save.
3.
Choose the Themes folder if asked. If not, the file will save to the default location.
4.
Navigate to Settings → Theme Settings on the XMB.
5.
Select Theme and choose Install.
6.
Select your Hard Disk, choose the P3T file, and apply the theme.