

\documentclass{tikzposter}
\tikzposterlatexaffectionproofoff
 % Title, Author, Institute
\title{Template Poster}
\author{Author(s)}
\institute{Institute}

 % Begin document
\begin{document}

 % Title block
\titleblock[left fig=logoL.png, left fig height=7cm, embedded=true, separated=false]
\block{Sample Block}{Test}
 \begin{columns}
 % Set first column
\column{0.52}

 % First column - first block
\block{Sample Block}{Test\\Test\\Test}

 % First column - second block
\block{Sample Block}{Test\\Test}

 % First column - third block
\block{Sample Block}{
T\\E\\S\\T
}

 % Set second column
\column{0.48}

 % Second column - first block
\block[l]{Sample Block}{Test}

 % Second column - second block
\block[c,width=0.85\colwidth]{Variable width}{
Block with smaller width.
}

 % Second column - third block
\block{}{
    Block with no title
}

 % Second column - subblocks
\begin{subcolumns}
    \subcolumn{0.3} \block[r]{1}{First block.} \block{2}{Second block}
    \subcolumn{0.5} \block{Subblocks}{Sample subblocks}
    \subcolumn{0.2} \block{4}{Fourth}

\end{subcolumns}

 % Bottomblock
\block{Bottomblock}{
    Sample block.
}
\end{columns}
\block[r]{Final Block}{Test}
\end{document}

