Solution : https://service.sap.com/sap/support/notes/1656902 (SAP Service marketplace login required)
Key words :
check related notes attached, terms sap frontend, product availability matrix, sap apo starting, apo releases 3, scm release 4, lower releases, /pam reason, supported anymore, compatible
Related Notes :
| 1412821 | SAP GUI for Windows: Support on Windows 7 |
| 147519 | Maintenance strategy / deadlines for SAP GUI |