- Go to System → Magento Connect → Magento connect manager
- Go to Manage Existing Extensions and click on the Check for Upgrades
- Scroll down to the Klevu_SmartSearch entry in the table and choose the latest version for upgrade
- Click on the Commit changes button
- Go back to the Magento Admin Panel and System → Cache Management → Select all Cache types → Submit
- Logout from the Magento Admin panel and log in again
- Please make sure to resynchronize all your data.
