I want to run MAMP on my Windows 8.1 pc, but when I start the servers, it says:
\'APACHE\' needs open port \'80\' which is already being used by another service
I also found this post - https://superuser.com/questions/960023/port-80-already-in-use-after-windows-10-upgrade - suggesting disabling the IIS service, which worked perfectly for me