In Nico Theme, they support multiple modules including Nico Blog Latest Articles. By default, we have Easy Blog plugin for opencart version higher than 2.0.x.
First, download easy blog plugin module as Desktop.zip file.
Second, use Extension Installer function to install easy blog plugin. If FTP is not configured well, no FTP function can be applied by clicking the button (Upload Without FTP).
Third, after uploading easy_blog_simple_v2.ocmod.zip file to Extension installer and go to Modification to refresh and we successfully install easy blog plugin to YMK site.