Help pls

Hi I’m like really bad at pc but I got a upgrade n tried to do it myself I updated all my bios n stuff but I go to do the actual changing of my cpu and it has screws I try unscrewing them n they came off but I can’t get the fan off and I don’t wanna break something by pulling on it hard any help or advice pls

Hi I’m like really bad at pc but I got a upgrade n tried to do it myself I updated all my bios n stuff but I go to do the actual changing of my cpu and it has screws I try unscrewing them n they came off but I can’t get the fan off and I don’t wanna break something by pulling on it hard any help or advice pls