Hi David ,
When I upgraded on my local server did the Standard Trial edition make any changes to the database?
Do I need to download the live database and redo the upgrade?
When you upgrade your project you should not make any changes to the database. The database will be upgraded automatically.
If you want to use the data from your production server that contains live data - you should use this database when upgrading. Then migrate the project to the server. It is recommended that all upgrades should be performed under Full Trust with dbo permissions of the database.
I should only install the License File on the live server?
On the production server you need to add the LicenseFile.xml under Sitefinity folder of your project to remove the trial message.
the Telerik team