Which preparational steps must be performed for an SAP S/4HANA conversion? There are 2 correct answers to this question.

Which preparational steps must be performed for an SAP S/4HANA conversion? There are 2 correct answers to this question.
A . Uninstall industry extensions not supported by SAP S/4HANA
B . Install add-on SAP Gateway 7.50
C . Uninstall Fiori apps not released for SAP_UI 7.50
D . Delete client 066 (Early Watch Client)

Answer: C,D