Guide

1. Navigate to the Setup menu.

2. In the Quick Find box, type "Object Manager" and select it from the search results.

3. Select the standard object (e.g., Lead, Contact, Opportunity) for which you want to enable field history tracking.

4. Click on Fields & Relationships in the left sidebar.

5. Locate Set History Tracking.

6. By default, all editable fields are tracked. You can deselect fields you don't want to track history for. There's a limit of 20 tracked fields, so prioritize important ones.

7. Click Save to activate field history tracking for the chosen standard object.