Open the Google Play Store app on your Android device
If it is missing, open Settings
Tap Apps or Apps & notifications
Tap Google Play Store
If disabled, tap Enable
Open Settings again
Tap Security or Privacy
Allow installation from unknown sources if needed for APK installation
Download the Google Play Store APK from a trusted source if it is not installed
Install Google Play Services if required
Install Google Services Framework if required
Restart your device
Sign in to your Google account
Open the Play Store and update it if prompted