Q: i tried to finish my apple account but it needs a credit card i dont have a card what do i do to get apps from the category that sais free

Unless the instructions on this page are followed when creating an account : Create an iTunes Store, App Store, or iBooks Store account without a credit card or other payment method - Apple Suppor…

then credit card details will need to be entered before the account can be used to download any item from the store.

If you are being prompted to review the account then you could see if this post by mountaingoatgirl lets you do so without needing to enter credit card details : https://discussions.apple.com/message/24303054#24303054

If not then as you don't have a credit card you will have to create a new account, and follow the instructions on the above link when creating it