how do I update activity monitor with out a disk
My activity monitor is out of date. I do not have the install disc. How do I update this? I need to delete MacKeeper and MegaBackup, neither are in my applications folder both are in Launchpad and will not move to trash.
OS X Yosemite V 10.10.5 2.5 GHz Intel Core i5 4GB 1333 MHZ DDR3
iMac, OS X Yosemite (10.10.5)