The Spanish Supercomputing Network (RES) annually organizes a user meeting to report on the latest developments in the RES and provide relevant information on access to RES resources and on the European ecosystem in HPC. This conference is a meeting space for all users, support technicians, the access committee and the user committee. The duration of the day will be 2 days, starting on Wednesday, September 16, with plenary sessions and technical and scientific conferences by leading specialists in the area of ​​supercomputing. For the second day, Thursday September 17, the sessions will continue, oriented to scientific topics and technical topics within the HPC world, and a round table discussion on HPC towards society.