Use this procedure to update a linked tool with the contents of its source copy in a tool catalog. 
Note: You cannot change and update tools from the Stock Tool Catalog in the Content Browser. Those tools are read-only. 
- Open the tool palette that contains the tool you want to update. 
 
- Select the tool, right-click, and click Refresh Tool. 
 
- If Refresh Tool is not listed on the shortcut menu, click Properties. 
 
- In the Tool Properties worksheet, select Refresh from.