Enter details, you will be able to generate api key from Settings → API from your Business suite installation
It will be showing in the list
Click system info & it will show the current build number and will check the compabilities
You can perform other actions from here like database backups, files backups etc. [ Please note that your backup will be stored in your server, not in our server, it will just perform the backup using the API ]
You can click "Update application" button to update the application. [ In some case if your server has a timeout for request, you may not see the successful message, You can click the System Info button again later after few moments & check the build number to know if update was successful ]
If automatic update does not work, you can check this tutorial for manual update-