To download the Palawan Express app, start by visiting the App Store if you're using an iPhone or Google Play Store for Android. Search for 'Palawan Express' and look for the official app published by Palawan Pawnshop. Tap 'Install' or 'Get' to begin the download. Once installed, you can create an account or log in to manage your remittances easily. For any issues, consider checking their official website or contacting their customer service for support.