Step 1: Download and install the latest version of iTunes on your computer. Step 2: Connect your iPad to your computer with a USB cable. Step 3: Open iTunes and click on the device icon in the top-left corner of the window. Step 4: Click on the Apps tab and then click on the Apps for your iPad in the left sidebar. Step 5: Click on the Update button next to Ppsspp to install it. Step 6: Click on the Get button next to Ppsspp to download and install it. Step 7: Click on the Open button once the installation is finished. Step 8: Click on the Ppsspp icon to run it. Step 9: Click on the Home button to return to the home screen.