You can download the official IQOS app for Windows directly from the IQOS website
Key Finding: There is no official, standalone IQOS application available for Windows Desktop (Windows 10 or Windows 11) for the purpose of device management or firmware updates.
Web App: If a direct download is not visible, use the IQOS Web App. This requires logging into your account, going to "My Devices," and selecting "Manage Device" or "Open IQOS WebApp". Key Features for Windows Users
Navigate to the App Section: Look for "IQOS App" or "Services & Privileges" in the main menu or footer. Select the Windows Version: