Even without tools we can do some diag with your eyes and hands.
Can you drive the vehicle and get it to operating temp. At home idling, hood open, AC running.
The engine coolant fan should be running. If not then there is a fan or fan control issue causing high AC condenser temp and pressure concerns.
Watch the clutch on the front of the compressor it should be spinning since its locked to the clutch pulley by a electric magnet. It should stay engaged about 90% of the time. If its unlocking and not engaging then you are more than likely looking at a pressure concern in the AC, from a restriction in the system.
Hold the AC lines where they go into the firewall they should be freezing cold. If they remain freezing cold but heat is blowing out of the dash then you have a blend door issue.
So far you have minimal blame that the compressor is the failure and if you buy one and go to a shop and say install this, that is all they will do. If there are concerns within the AC system, those concerns could result in your replacement compressor failing.
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