Building a desktop app begins with selecting an appropriate platform approach: native for Windows/macOS/Linux, cross-platform frameworks, and the distribution method. A clearly defined MVP and an early prototype assist in validating workflows, performance requirements, and the overall user experience on real hardware.

As the product evolves, reliability, updates, and packaging take center stage. Thoughtful management of file systems, permissions, offline support, and integrations (device APIs, peripherals, enterprise authentication) ensures dependable daily usage, while a robust update system and crash reporting streamline ongoing support.