You must enable "Install Unknown Apps" in your device Settings > Security (or Settings > Apps on newer versions) to permit the installation. How to Install APK v4.5.8 [Arm64]
Android Auto 4.7. 593824-release (arm64-v8a) (nodpi) (Android 5.0+) APK Download by Google LLC - APKMirror. Download Linkado 5.8.2 for Android | Uptodown.com Download APK File [Arm64] v4.5.8
Download the file from a reputable repository like APKMirror or Uptodown , which verify cryptographic signatures to ensure files match official releases. You must enable "Install Unknown Apps" in your