Migrate a Record Page to Dynamic Forms #inSalesforce

Migrate a Record Page to Dynamic Forms

Using this, you can migrate the fields and sections from your existing record pages as individual components in the Lightning App Builder. Additionally, configure them the same way as the other components on the page, so that your users get only the fields and sections that they want. Dynamic Forms is supported on custom objects, Accounts (including person accounts), Contacts, and Opportunities only.

Open in the following ways:

Setup menu on a record page | Edit Page.
OR
Object Manager | Open a Dynamic Forms-supported object | select Lightning Record Pages.
OR
App Builder | select Lightning App Builder.

Steps:

Once you open following any of the above mentioned approach, select the Record Detail component | click Upgrade Now to start the Dynamic Forms migration wizard | Configure as per need like select the page layout that has the fields that you want to migrate to the page or From fields tab (all fields you have access to is listed), take the fields and sections from the page layout.  You can even keep field(s) inside a Field Section component, you can also put it anywhere on the page, even inside new tabs.

Reference: https://help.salesforce.com/s/articleView?id=sf.dynamic_forms_migrate.htm&type=5