[Typo3] update extension?

[Bing Du]

Elmar Hinz wrote:

> obviously global is empty so there is nothing to update. The system 
> offers you to overwrite the existing old extension in local, which is 
> what you want to do.
> 
> Old entries live in the DB and shouldn't be affected by an update. To 
> get the ultimative securety, please make a backup before updating.

Thanks for the help, Elmar.  Now when I'm ready to try again, I'm not 
able to find where I saw 'Import/Update to:' in the Ext Manager.  I've 
been looking around for a while.  Anybody would like to give me a quick 
pointer?  Thanks much in advance.

Bing