HI and Welcome to the DIS
FIrst go to your User CP it is in the top left of your screen right under the DISboards. com logo
See it???
good now you need to click on it
that is the screen where you will see any threads you are subscribed to which means any you started any you posted on and any you went into thread tools and hit subscribe. It is also where you can see if you have any new PMs
Nothing showing there???
Okay so you need to adjust your subscription preferences than
so from that same user CP screen on the left you will see a choice to EDIT OPTIONS
Click that
the second Box down says messaging and notification......
Still with me ???

Good
down just a bit in that box it will say
Default Thread Subscription Mode
You need to pick one of the choices in the box
I have no email notification on mine cause I don't want an inbox full of DIS posts I just come here and click user CP but several people like getting emails everytime there is a reply totally up to you prefrence.
so pick one of the choices
scroll ALL the way down and hit save changes
from than on all the threads will be saved in your user CP unless you delete it.
Hope that helps forgive spelling errors please it is early and my eyeball hurts