STEPS.
1.Create a new domain from freenom.
2.Link that domain to the SSP application.
3.Activate the domain successfully.
4.Activate all extensions and themes to the new domain.
5.Fetch all extensions and themes from the domain.
6.Take the manifest of each extensions and updated the version [For example if the old version is 1.0.0 then updated it with 1.0.1]
7.Screenshot added below
Extension
Old version

New Version

Theme
Old version

New Version

Then in the extension manager we have a check box named “Update ” . Click on the check box of each extension and theme itself then the extensions and themes are activated with new versions.
Screenshot


Thank you.