Upgrade from SAP PI 7.3 (Single Stack) to SAP PI 7.4

Hi Everyone,

I required information about upgrade from SAP PI 7.3  ( Single Stack) to SAP PI 7.4. If anyone have PPT, DOC, Web link. I request you to share with me. It will be helpful for me to implement it in our project. Thanks.

Regards,

Hari Suseelan