How to access Fiori Launch Pad?
If FIORI configurations are maintained in the system, then fiori launchpad can be accessed by Tx- /UI2/FLP
Alternatively if system host, domain & port number is known then with below URL fiori launchpad can be accessed-
https: //<host>.<domain>:<port>/sap/bc/ui5_ui5/ui2/ushell/shells/abap/Fiorilaunchpad.html?sap-client=<client>&sap-language=EN
User can login.