Returning player needs advice

[Valoril]

I have been playing on P99 some 10 years ago and contemplate to make a trip there one more time .
I still remember my forum account (obviously I can post) and probably my Login game account.
However I have no more the Titanium EQ edition installed .
The question is simple : if I install EQ Titanium, will I be able to log in my old account ?

The thing is that I don't think to level my characters from 1 to 50 all over again so would like to just continue to play with my old characters.