How many page I can create in UniPortalX.com?
Unlimited pages.
 
Is there nested pages?
yes, there is nested pages.
 
If I want to Change the template, am I going to loose any data?
No, you will not loose any data.
 
Some of phrases in Russian language I don't like and I want to change it, can I do that?
Yes you can.
 
Can I add new members to UniPortalX?
Yes, you can.