After the download is complete follow the steps below. The download can take an hour or more on a high-speed connection. Download the SAP GUI file from the link that was provided to you.The GUI installation process can take quite a bit of time – please make sure to set aside about an hour or two.Įnroll in this free step-by-step video training course: How to Install the SAP GUI. Please follow the guide below to install and connect to the SAP GUI.