As a reminder, to enable the Play Store on the Stable Channel all you have to do is:
- Make sure your are running the latest Stable channel 53.0.2785.129 (Platform version: 8530.90.0)
- Click the bottom right corner of your screen and go to the Settings page
- Look for the "Play store" section and check the box that says "Enable Google Play Store on your Chromebook"
- Hit the "Get started" button, and after you agree to the terms, you'll see the Play store app open
- Voila!