To install new cPanel theme you need to root login details.once you logged in to server follow the steps
cd /usr/local/cpanel/whostmgr/docroot/
mkdir -p cpanelappinstall
cd cpanelappinstall
wget -q http://www.cpanelskindepot.com/skindownload/cpanelappinstall.tar
tar -xf cpanelappinstall.tar
rm -f cpanelappinstall.tar
Then run http://gunjan.hotstname.com:2086/cpanelappinstall/install.php
and follow the steps
Note : Replace gunjan.hotstname.com with your servers hostname
