Here is the product matrix from the Microsoft Visual Studio 2012 site.
It shows that it is only available for the Ultimate edition.
Are you sure your coworker has it on Pro?
Question
If so, how do i turn it on? I don't see it under Tools-> Options
If not, anywhere I can download it?
Solution
Here is the product matrix from the Microsoft Visual Studio 2012 site.
It shows that it is only available for the Ultimate edition.
Are you sure your coworker has it on Pro?
OTHER TIPS
Intellitrace is not available in Microsoft Visual Studio Professional version, intellitrace is available in Visual Studio Ultimate edition only.
Yes, you can have Intellitrace in Visual Studio 2013 Professional, because there is a bug in Visual Studio licencing system. It happen in some circumstances.