You can find Finder on your Dock.

On the left-hand side of Finder, click Applications.

Not all applications have a folder, but if your application does it may contain an uninstaller. Open this folder.

If an uninstaller is in this folder, double click it. This will start the process of uninstalling.

See if your battery needs to be replaced.
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Because your MacBook is so important for all that you do in a day, it is important to take good care of your Mac battery, monitor your Mac's battery health, and check the cycle count of your Mac's battery when to determine if your Mac needs a new battery. This might sound like a lot of maintenance, but checking your Mac's cycle count is an easy way to determine if your Mac needs a new battery, and it's actually incredibly simple. A battery's maximum cycle count is how many charge cycles your Mac can complete before the battery is no longer able to perform and will need replacing. In this guide, I show you how to check your Mac battery's cycle count and determine if your battery needs to be replaced.