How to install a Mage2.PRO extension (a previous redaction)

Mage2.PRO First Steps

dmitry_fedyuk (Dmitrii Fediuk) February 17, 2016, 2:32pm 1

The instruction is moved to: How to install a Mage2.PRO extension

How to fix the «Failed to execute git clone... 401 Unauthorized while accessing code.dmitry-fedyuk.com» issue?