Building a desktop app begins with selecting an appropriate platform approach: native across Windows/macOS/Linux, cross‑platform frameworks, and the distribution method. A clearly defined MVP and an early prototype help confirm workflows, performance requirements, and the overall user experience on actual devices.

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