Yes, they can take up a lot of RAM and slow down a computer.
will my computer kinda slowed down.
While it's running, yes. It will not slow down you computer unless you are actively using it.
No. It is the viruses you download with the songs using LimeWire that slow your computer down.
Go towww.habbo.co.uk, and sign up for an account - you now have Habbo on your computer.
No, it will not slow down your computer and no it will not give you virus
No.
Using windows media player instead will not slow your computer down
Probably, if it is a big game then it will most probably slow it down.
Yes once someone I know had their computer slow down... a lot!
In general, the more programs you have running on a computer at once, the slower it will run. Large graphical programs slow it down more than others.
yes depending on the computer