Start with the topic guide.
Desktop UI frameworks, window management, native integration, interprocess communication, local databases, filesystem access, application packaging, code signing, installers, automatic updates, and sandboxing.
This is a learning outline. A complete worked tutorial has not been published for this topic yet.
Concept scope
Desktop & Cross-Platform Applications: 11 short lessons, one for each concept. Desktop UI frameworks, window management, native integration, interprocess communication, local databases, filesystem access, application packaging, code signing, installers, automatic updates, and sandboxing.