Building a desktop app begins by selecting an appropriate platform approach: native for Windows/macOS/Linux, cross‑platform frameworks, and the chosen distribution method. A clearly defined MVP and an initial prototype help verify workflows, performance requirements, and the overall user experience on real devices.

As the product evolves, reliability, updates, and packaging become crucial. Managing file systems, permissions, offline functionality, and integrations (device APIs, peripherals, enterprise authentication) ensures dependable daily operation, while an update system and crash reporting ease ongoing maintenance.