For folks that use the Particle mesh devices on Windows, you can get a new version of the Windows CLI installer that includes drivers for mesh devices.
We’re working on tweaks in the firmware that will make drivers unnecessary on Windows 10. For now you can download and run the above installer if you run into issues with serial port or DFU on Windows 10 or Windows 7.
You may see the following screen on Windows 10 at the start of installation. Click More info then Run anyway. This warning will go away after enough people have installed the new version of the CLI installer.