Navigate to > Package Manager > Install Package Files > Standard .
Double-check that your USB drive is formatted to FAT32 and not NTFS. Ensure the PKG file is sitting out on the main drive window (the root) and not buried inside a folder. Is Installing YouTube PKGs Safe? Ps3 Youtube Pkg Download
Select the YouTube PKG file and press to begin the installation. Wait for the progress bar to reach 100%. Fixing the "Sign In to PSN" Error (No-PSN YouTube) Navigate to > Package Manager > Install Package