Question

I will have it done or I will have done it?​

Answer 1

I will have it done

Step-by-step explanation:

if u say I will have done it it means that u should had already done it

Answer 2

Both are correct.

Step-by-step explanation:

The first sentence states that by an undefined time you yourself will have performed a certain task.

The second sentence states that you are undertaking to ensure that the task is performed, even if you don't do it yourself.