Please help...and fast!

Ok, im trying to install a user info box that I downloaded from this site, it says:

2. Scroll down the left menu and select Templates > Modify

I do that and it comes up with :

Default [edit] [remove] [add template] [show all] [collapse groups]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
[change original]
.............and a lot more of change original,

3. Navigate to the "forumhome" template - Click [expand list] under the name of your style (or if you have multiple styles, the one to which you want to apply this modification), then go to Forum Home Page Templates > forumhome

I click expand list and it comes up with this change original stuff, please tell me what to do...