You cannot typically download the OpenScape Desktop App from a public app store. It is enterprise software licensed to your organization.
The application is built around an intuitive interface that prioritizes speed and accessibility. Key features include: Optimize Enterprise Communication with OpenScape UC - Mitel openscape uc desktop app
If you were looking for the OpenScape Linux operating system (an older OS), please note that project has been discontinued. If you need help with OpenScape business phones (hardware), please provide the model number (e.g., OpenScape Desk Phone IP 35G). You cannot typically download the OpenScape Desktop App