Building a desktop app starts by choosing an appropriate platform strategy: native across Windows/macOS/Linux, cross-platform tools, and the distribution method. A clear MVP and an early prototype aid in confirming workflows, performance requirements, and the overall UX on actual hardware.

As the product evolves, reliability, updates, and packaging take center stage. Thoughtful management of file systems, permissions, offline capabilities, and integrations (device APIs, peripherals, enterprise authentication) ensure dependable everyday use, while an update system and crash reporting streamline ongoing maintenance.