The four-volume proceedings set LNCS 15027, 15028, 15029 and 15030 constitutes the refereed proceedings of the International Conference on Extended Reality, XR Salento 2024, held in Lecce, Italy during September 4¿7, 2024. The 63 full papers and 50 short papers included in these proceedings were carefully reviewed and selected from 147 submissions. They were organized in the following topical sections: Extended Reality; Artificial Intelligence & Extended Reality; Extended Reality and Serious Games in Medicine; Extended Reality in Medicine and Rehabilitation; Extended Reality in Industry; Extended Reality in Cultural Heritage; Extended Reality Tools for Virtual Restauration; Extended Reality and Artificial Intelligence in Digital Humanities; Extended Reality in Learning; and Extended Reality, Sense of Presence and Education of Behaviour.