To download the BPI Remit app, you can visit the Google Play Store if you're using an Android device or the Apple App Store if you have an iPhone. Simply search for 'BPI Remit' and select the app developed by Bank of the Philippine Islands. Once you've found it, click on 'Install' or 'Get' to start the download. After installation, create an account or log in using your existing BPI credentials. If you encounter any issues, check the BPI website or contact their customer support for assistance.