Yes, we have free will. It is quite easily observable.

Certainly the e-motion of "free-will" is "easily observable".

However, your e-motion has no basis in your conscious decision making process.

(IFF) you PLAN to do something (THEN) your PLAN must be CAUSED by some desire.

Your WILL is a measure of your ability to PLAN.

Your WILL is a slave to your DESIRE.

Your WILL is not "free".