When Web Console is enabled, you can open it from these locations on the Setup page.
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Gear icon
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Click the gear (
) icon. -
Select the Web Console option.

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Edit links on the Apex Classes, Apex Jobs, and Apex Triggers pages.
note: You can't edit an Apex object in a production org. Hence, the Edit links aren't visible in a production org.
- From Setup, in the Quick Find box, enter
Apex Classes,Apex Triggers, orApex Jobs. - Click the Edit link before an Apex object name, or click Web Console to edit the object in Web Console. In this example, a list of Apex classes displays on the Apex Classes page. Clicking the Edit link opens the class in the Web Console.
note: If Web Console isn’t enabled, the Apex objects open in the Developer Console.
- From Setup, in the Quick Find box, enter