1) Restart your device:

Try restarting your phone or tablet by turning it off, waiting for about 10-15 seconds, and then pressing the power button again.

2) Check if Google's servers are down:

If you're experiencing issues with multiple apps on the Play Store, there might be a problem on Google's end. You can check their status page to see if any outages or maintenance is happening: https://status.google.com/

3) Clear cache and data for Google Play Services:

- Go to Settings > Apps & notifications

- Find Google Play Services and tap the three dots (three vertical lines)

- Tap 'Clear storage' and then 'Clear data'

- Reboot your device once you've done this

4) Update or reinstall Google Play Store:

- Open the Google Play Store app on your phone.

- At the top right corner, tap Profile picture > My apps & games.

- Find Google Play Store in the list of installed applications.

- Tap Uninstall to remove it completely from your device.

5) Force close and clear cache for Play Store (Android only):

1.Open Settings

2.Scroll down until you see Apps or Applications depending on what version of Android is running.

3.Find Google Play Store here.

4.Tap More > Clear data at the bottom.

Google play store app not installed