Creating a Performance Max campaign based on an existing campaign depends on the campaign type and the available tools. See the compatibility table for more information.
Smart Shopping campaigns & local campaigns
Performance Max campaigns were created as part of the automatic upgrade process, so no action is required.
Vehicle listing campaigns
Performance Max campaigns were created as part of the automatic upgrade process, so no action is required.
Create campaigns manually
In the case, where you want to create Performance Max campaigns without using tools or other upgrade methods, you can manually create the campaign yourself using the Google Ads API.
Follow the steps outlined for each of the following use cases: