How to fix a drywall crack below a window. You’ll first need a stud finder to mark the stud behind the crack. I am using the Walabot DIY 2 visual stud finder ⭐️⭐️⭐️⭐️⭐️ 👏🏼 ad I bought this 2 years ago and it’s worth every penny! For the repair you need to pull the drywall into the stud on either side of the crack so it won’t come back! 👉🏼 comment LINK and I’ll send right to your DM! DIY tipsandtricks studfinder drywallrepair painting paint newhomeowners homerepair howto tools