What activity do you perform in the Deploy phase?

In the Deploy phase of the SAP Activate methodology, the primary activity performed is:

B. Perform productive cutover: This involves transitioning all project deliverables, configurations, and data from the test environment to the production environment, marking the system's readiness to go live. The productive cutover ensures that all components are functionally integrated, tested, and ready to support business operations in the live environment. The Deploy phase is critical as it signifies the move to production, where the system becomes fully operational and available for end-users.References:

SAP Activate methodology deploy phase documentation

SAP implementation best practices