Trac plugins


I have new dreamhost shared account

I have installed trac using their one click install. I want to install few plugins.

I am on windows, so have to use putty for accessing shell.

I have read the dreamhost wiki, and track hacks

but i am not able to install any plugin, always getting differnt types of errors and dreamhost support doesnt help.

Please tell me steps/commands from begining to install account manager plugin.

Please tell me how to install accountmanager plugin.

I can repeat same steps for othe plugins.

consider me a novice in unix shell.