If your built-in store won't open or update, you can manually sideload a compatible version.
Reboot your device. Open the Play Store. You will likely be prompted to sign into your Google account. Note: You may need an "App Password" if you have 2-Factor Authentication enabled on your Google account. Android 4.2 2 Play Store Apk
Installing the Play Store APK on your Android 4.2.2 device is a relatively straightforward process. Here's a step-by-step guide: If your built-in store won't open or update,