Double-click on the WPS Office installer file. Once the file is downloaded, open the Files app on your Chromebook. Follow the instructions on the screen to download the installer file. Official WPS Office Website: The official WPS Office website also offers a download for Chromebooks. The Play Store app is easy to use and the WPS Office app is well-optimized for Chromebooks. I found this method to be the easiest and most straightforward. Once the app is installed, open it and start using it. Open the Play Store app on your Chromebook. To download WPS Office from the Google Play Store
The Google Play Store is the most common way to download apps for Chromebooks.
Free download Method 1: Google Play Store