From version 1.2.3 you can update the script from your admin panel by configure one click update system, follow this doc to configure it.
https://docs.bytesed.com/docs/multisaas-multi-tenancy-multipurpose-website-builder-saas/instructions/one-click-update-configure/




Here is Article for Regarding Updating Process
https://docs.bytesed.com/docs/multisaas-multi-tenancy-multipurpose-website-builder-saas/instructions/update-process/


Note:: if you installed it fresh, you don't need to update the script