Tap on this apk file again and install it normally. Step 4 – Begin the installation process: You are now good to go.Go to settings and enable unknown sources. Step 3 – Unknown sources: There is a possibility that a security pop-up window will appear that allows this installation.Step 2 – Find the PayPal MOD APK file: Once the download is complete, go to the file manager where it has been stored.Step 1 – Download: Tap the download button found in the previous section.Installing PayPal MOD APK is very simple, just follow the guide below.