1. Log in with your "ENEA" INDICO credential
2. Go to the timetable and specifically to session in which you have your presentation planned
3. Enter session details
4. Go to your presentation
5. Open it
6. Click on the pen symbol to edit the section
7. Upload your presentation from your computer
8. End of the process
.......a shortcut is if you go to the contribution list in the left menu and look for your presentation, click on the pen symbol to enter the edit mode and upload your file.