This is how you play the Fm7 chord on guitar.
Tune your guitar
Tune your guitar to standard tuning (EADGBe)
Index finger: barre 1st fret.
Use your index finger to bare the 1st fret.
Ring finger: 3rd fret, 5th string.
Place your ring finger on the 3rd fret of the 5th string.
Play chord.
Strum all string.
https://guvnaguitars.com/chord/fm7/