You will probably need to purchase one depending on the number of users you have and your particular use case.
This link will help you purchase the correct key.
Just to follow up, if you are looking for a evaluation license and not to purchase, go here: https://www.atlassian.com/licensing/purchase-licensing#evaluations-1
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.