The Spirit of God may be known in this way. Every spirit who confesses that Jesus Christ has arrived in the flesh is of God
Other versions
King James Version
Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God:English Standard Version
By this you know the Spirit of God: every spirit that confesses that Jesus Christ has come in the flesh is from God,New International Version
This is how you can recognize the Spirit of God: Every spirit that acknowledges that Jesus Christ has come in the flesh is from God,