Building a desktop app begins by selecting an appropriate platform approach: native for Windows/macOS/Linux, cross-platform options, and the deployment method. A clearly defined MVP and an early prototype assist in confirming 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 access, permissions, offline capability, and integrations (device APIs, peripherals, enterprise authentication) ensures dependable daily use, while a robust update system and crash reporting ease ongoing maintenance.