The will of God is what God did for mankind the "sinners". If you are "Born Again" then the will of God begins to take your life and change it for his purpose, called walking by faith of Christ.
Doing Gods will is the Fruit of the Holy Spirit, and its the Holy Spirit that causes the fruit of the tree of life to bear in your life.
As mankind you cannot do Gods will, but the Indwelling Holy Spirit.
Gal 2:20 I am crucified with Christ: nevertheless I live; yet not I, but Christ liveth in me: and the life which I now live in the flesh I live by the faith of the Son of God, who loved me, and gave himself for me.
2Cr 5:17 Therefore if any man be in Christ, he is a new creature: old things are passed away; behold, all things are become new.