Winbox version 3.4 Download Link.
Winbox:
Winbox is a portable app. So you can double click in winbox app. And you see a winbox login environment:
Mikrotik default username is: admin and no password.
Click Mikrotik routerboard mac address and then enter login: admin, and then click connect button.
And you finally login Mikrotik system via Winbox.

