Building a desktop app begins with selecting an appropriate platform approach: native options (Windows/macOS/Linux), cross-platform frameworks, and how the app will be distributed. 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 systems, permissions, offline functionality, and integrations (device APIs, peripherals, enterprise authentication) ensures dependable everyday use, while an update system and crash reporting ease ongoing maintenance.