Once you download, unzip to somewhere you like, open your terminal, cd to that location.
npm install or sudo npm install
this will install the node.js dependencies and as easy as that, to run this program, you can do
Open it up your browser which this runs locally on http://127.0.0.1:2368/
and when first start it will ask you about to create an password on http://127.0.0.1:2368/ghost/ which is the admin area where you blog and post using markdown syntax.
o…ya before this make sure that you install node.js, I have been playing with it for about 3-4 hours,which I talk abit about themeing in Ghost in next post.