Google Play Protect may warn you about installing apps from unknown sources. Since you are installing the Play Store itself, Google may not recognize the file initially. You can safely proceed if you downloaded the file from a verified source, but be cautious when installing other third-party apps.
On Android 8.1.0, security settings require you to grant permission to your browser before it can install downloaded files. on your device. Navigate to Apps & notifications Special app access Install unknown apps Select your preferred browser (e.g., ) and toggle on Allow from this source Step 2: Download the Correct APK Google Play Store Apk For Android 8.1.0