Hi guys and gals!!

I am a very new kid on the block here.
I was introduced by one nice guy from other forum which is similar to this one.

Here comes my problem.
I have bought POS software to accommodate my newly opened grocery shop.

This system is using Acess database and i need to modify/delete some data from here but it didn't allow me to do that.

So I checked its attribute and it was

How can I change its attribute to "writeable"?

I tried but didn't work and really need your help!!!