step one: get rope
Step 2: type it up
Step 3: make sure it cant move
Step 4: drag it into the basement
Step 5: drag it past the corpses and put the posessed into the room full of monitors
Step 6: keep it's eyes forced open
Step 7: put on as many cring/brainrot things you can find in any website and play it on all monitors
Result: They should start screaming and shaking violently. keep doing thing until it goes slack, then take your vacuum to capture the ghost, and sell it on the black market. the posessed should now be freed!