If you're looking to Download F on your Macbook laptop Then read the following guideline.
The F-Secure Armory Drive mobile application allows to unlock over Bluetooth (BLE) an F-Secure USB armory device running the Armory Drive firmware, which provides access to encrypted microSD cards over USB. The Armory Drive firmware and documentation can be found at https://github.com/f-secure-foundry/armory-drive/wiki
