Enable the 'Create Audit Fields' Permission in Salesforce

Enable 'Create Audit Fields' 

1. From Setup, enter User Interface in the Quick Find box. Under User Interface, scroll down and select User Interface.

2. Scroll down to Setup. Select the checkbox for Enable "Set Audit Fields upon Record Creation" and "Update Records with Inactive Owners" User Permissions.

3. Click Save.

After enabling these organization wide permissions:

Grant the following profile permissions to your Users with Custom Profiles (see notes below for standard profiles):
 

• Set Audit Fields upon Record Creation - Allow the User to set audit fields (like 'Created By' or 'Last Modified By') when you create a record via API tools and features like Data Loader or Flows.
• Update Records with Inactive Owners - Allow the User to update the record owner and sharing-based records with inactive owners.

Notes:

• Standard profiles cannot be granted these permissions. Instead, use a permission set as described in Enable 'Create Audit Fields' permission for standard profiles.
• Create Audit Fields can be enabled for Professional Edition after API has been provisioned. For more information about provisioning, see Salesforce editions with API Access.

Optional: Create and configure a permission set

1. From Setup, follow the steps outlined in Create Permission Sets.
2. While creating the permission set, grant either the "Set Audit Fields upon Record Creation" or "Update Records with Inactive Owners" permissions under "System Permissions."
3. Click Save.
4. Follow the steps in Assign a Permission Set to Multiple Users.