This page contains information about installing the SearchStax module for the applications running the current Drupal version. The information is not applicable to Drupal 7 applications.
Use the migration module to move an existing index on Drupal to SearchStax while ensuring zero downtime.
To install the latest version of the SearchStax module:
Sign in to SearchStax Studio – Site Search.
Add and install the SearchStax Studio module:
composer require 'drupal/searchstax:^1.6'
drush en searchstax -y