First step: download the APK
Download the APK only from the official source to avoid corrupted or modified builds. Make sure you opened the current download page and download the file on a stable connection.
App installation order
Do not close the system dialog or delete the file until installation completes. On first launch, grant required permissions so the app runs without limits.
Quick troubleshooting
Check Android version, storage space, and file integrity, then retry installation. If the error persists, remove the old build and perform a clean reinstall.