I was told I was 2 updates behind, do I have to do updates in order or can just update to the latest?

From http://help.percussion.com/admin-topi…

Below would be the recommended upgrade paths:

3.2 --> 3.4

3.3 --> 3.4

We do not test migrating from earlier versions and therefore don’t recommend migrating directly from older versions.

To validate which version you are on, select the About link in the top navigation bar.