Licence upgrade time

RouterOS Beginner Basics
1

hi all,

in reference manual of Mikrotik, i want to know if when we install a licence, is there an expiration date ?
what’s mean upgrade time ?
and initial config support ?

thanks so much

2

http://wiki.mikrotik.com/wiki/Manual:License
there is no expiration date.

initial support from mikrotik support http://www.mikrotik.com/support.html