Custom for free

Hello,

Firstly I am sorry for my English which is a bit rusty. I hope you will understand me.

I am looking for a project management software for my team, in my company. ProjeQtor seems to correspond very well of our needs, mainly because we can custom it.
So, I tested the online demo and I felt a bit lost in all of that features. I looked for how we can custom ProjeQtor in the online demo, then in the forum. I didn't find answers so I post this... post.

My company do not have budget for my team, so I want to custom ProjeQtor for free (so without plugins which are not free).

By "custom", I mean :
- Change the name of the features/field in the menu (not in the custom menu !)
- Move these features/field
[Example] : I want to move the field "Ticket" in "Work" to "Follow-up"
- Hide some others features/field.
- Create or modify a column for one of the features
[Example] : In the features "Action", add a column "New"
[Example 2] : Modify a column to have a drop-down menu Yes/No.

Can I do that for free with ProjeQtor? How can I do this? Is it possible to try this in the online demo?

More generally, what can I custom for free in ProjeQtor? How can I custom this? What can I not custom?

Thanks !

Thanks for the clear answer.
That will help me !