Building a desktop app begins by selecting an appropriate platform approach: native across Windows/macOS/Linux, cross-platform options, and how it's distributed. A clearly outlined MVP and an early mock-up assist in validating workflows, performance requirements, and the overall user experience on real hardware.

As the product evolves, reliability, releases, and packaging take center stage. Thoughtful management of file systems, access rights, offline functionality, and integrations (device APIs, peripherals, enterprise authentication) ensures dependable daily operation, while an update mechanism and crash analytics streamline ongoing maintenance.