Enable "Mommy Mode" or "Daddy Mode"
Download and sideload the following APKs
https://www.apkmirror.com/apk/google-inc/google-account-manager/google-account-manager-5-1-1743759-release/google-account-manager-5-1-1743759-android-apk-download/
https://www.apkmirror.com/apk/google-inc/google-services-framework/google-services-framework-5-1-1743759-release/google-services-framework-5-1-1743759-android-apk-download/
https://www.apkmirror.com/apk/google-inc/google-play-services/google-play-services-10-2-98-release/google-play-services-10-2-98-230-146496160-android-apk-download/
https://www.apkmirror.com/apk/google-inc/google-play-store/google-play-store-7-4-25-release/google-play-store-7-4-25-l-all-0-pr-145823605-android-apk-download