New Living Translation
This is how we know if they have the Spirit of God: If a person claiming to be a prophet acknowledges that Jesus Christ came in a real body, that person has the Spirit of God.

American Standard Version
Hereby know ye the Spirit of God: every spirit that confesseth that Jesus Christ is come in the flesh is of God:

Berean Study Bible
By this you will know the Spirit of God: Every spirit that confesses that Jesus Christ has come in the flesh is from God,

Douay-Rheims Bible
By this is the spirit of God known. Every spirit which confesseth that Jesus Christ is come in the flesh, is of God:

English Revised Version
Hereby know ye the Spirit of God: every spirit which confesseth that Jesus Christ is come in the flesh is of God:

King James Bible
Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God:

World English Bible
By this you know the Spirit of God: every spirit who confesses that Jesus Christ has come in the flesh is of God,

Young's Literal Translation
in this know ye the Spirit of God; every spirit that doth confess Jesus Christ in the flesh having come, of God it is,

1 John 4:2 Additional Translations ...