Moving live site to local for plugin testing - upgrading plugins not allowed

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I've just moved a backup of a live site to my local environment for testing. I'm happy to say the upgrade from 5.4.2.2 to 5.5.2.1 went successfully. But now I'd like to test the plugin updates. I have to updates available, but I get:

"No updates for your add-ons are available.

Your site is not connected to the concrete5 community.

The base URL of your site does not match a registered instance of the site. Please click below to authenticate your site again."

Is there a way of being able to test these plugins locally? If I change the setting for the community connection - will it kill the plugins on the live site? These 2 plugins I believe were actually purchased - not free.

Thanks for your thoughts.

 
extensi replied on at Permalink Reply
extensi
The same question for me.