About Updating and Comparing Parts
1. To create a new version or update an existing one, click > 
Create or Update Version. The Revision dialog box opens.
Create or Update Version. The Revision dialog box opens.2. Double-click the name to enter a new model name or to apply a new version.
3. Click > 
Compare Versions to compare two existing versions and determine if both parts have the same geometry.
Compare Versions to compare two existing versions and determine if both parts have the same geometry.