If the Google Play Store is already installed but outdated:
To fix this, you need to manually install the last version of the Play Store that was fully optimized for KitKat. Download Google Play Store Android 4.4 2 %28%28LINK%29%29
For the changes to take full effect and for Google Play Services to sync properly, a quick reboot is highly recommended. Troubleshooting Common Issues "Parse Error: There was a problem parsing the package" If the Google Play Store is already installed
: Once finished, restart your device to ensure all services initialize correctly. Troubleshooting Update the Google Play app Download Google Play Store Android 4.4 2 %28%28LINK%29%29