To learn Sza - I Hate U chords, grasp the musical fabric of the song with this sequence - Gm, Dm, Gm, Cm and Dm of chords. I suggest starting at a calm pace of 40 BPM, and as you gain confidence, approach the song's BPM of 80. With the song's key of Bb Major, set your capo to fit your vocal range and chord choice.