Beginning with selecting the appropriate platform strategy for desktop software is crucial: native options (Windows/macOS/Linux), cross‑platform frameworks, and the distribution method. A clearly scoped MVP and an early prototype help verify workflows, performance requirements, and the overall UX on real devices.
As the product matures, reliability, updates, and packaging become central. Careful handling of file systems, permissions, offline capability, and integrations (device APIs, peripherals, enterprise authentication) ensures the app remains dependable in daily use, while an update mechanism and crash reporting aid long‑term support.