micropubs not supported yet

I tried hard to use/apply micropub on my wordpress site (to install the plugin, the very 1-st step) on wordpress – very frustrated up to now. The micropub is quite basic and universal tool, which change the whole approach to blogging, wordpressing, etc. Did not find any good description here! Not sure if wordpress.com or www.remarpro.com allow this at all (not sure even which version of wordpress I use: all I tried now came to vicious circles without any progress, new knowledge or even satisfaction after quite reasonable efforts) p.s. There are many plugins in principle on wordpress, but what are they for, if you can not use/apply such a basic tool a micropub (for simplest notes)?