Put text content You need to be in columns inside trigger code, for example: {AC}Your Content{/AC}.
Place ACBR inside Your text to break text into next column.
Plugin will create a table at maximum width, with 3 equal sized columns. It will add spacing between columns, apply horizontal and vertical text align and hyphenate text in page language pattern.
Find out more about Admiror Columnizer usage at Admiror Columnizer Manual webpage. Support for Admiror Columnizer is available at: Admiror Joomla! Community.