What's involved?
Being a doer and not a hearer only. Ie. Obedience from the heart having laid aside all wickedness.
Rom 6:17 But God be thanked, that ye were the servants of sin, but ye have obeyed from the heart that form of doctrine which was delivered you.
Rom 6:18 Being then made free from sin, ye became the servants of righteousness.
Jas 1:21 Wherefore lay apart all filthiness and superfluity of naughtiness, and receive with meekness the engrafted word, which is able to save your souls.
Jas 1:22 But be ye doers of the word, and not hearers only, deceiving your own selves.
It is only through the transormation wrought via the grace of God when we die with Him, and thus become living sacrifices, that we may discern the will of God.
Rom 12:1 I beseech you therefore, brethren, by the mercies of God, that ye present your bodies a living sacrifice, holy, acceptable unto God, which is your reasonable service.
Rom 12:2 And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what is that good, and acceptable, and perfect, will of God.