These ones?:
https://mikrotik.com/product/wireless_wire_nray
In theory they should be pre-coupled in factory.
Anyway the base configuration should be simple enough, essentially one should be set as AP and the other one as Station (please read as Client).
What you should do is to:
- get your hands on a copy of Winbox (preferrably 3.x), see:
Why you should use Winbox - follow the instructions here:
Forum rules - #5 by gigabyte091
and post the current configurations of both devices.