!!! This wrapper is not verified by, affiliated with, sponsored or supported by MikroTīk in any way. !!!
The WinBox Flatpak contains no binaries. WinBox and other MikroTik assets are proprietary and subject to an Export Eligibility Requirements and END USER LICENSE.
Once the Flatpak has been installed locally the actual application install proceeds as follows ...
You must agree and accept the terms and conditions to proceed.
The README.MD file explains the possible issue. As there is no way to replace the Tahoma font the installation will skip directly to the Windows 10 step.
Pressing Cancel leaves the Windows registry as-is.
The WinBox application will be displayed and is ready for use.