Seeking repair or cleaning software for MacBook Air

Rule of thumb:

Never install any app that claims to “clean up”, “tune up” or “speed up” your Mac. These apps exist for one reason: to extract money from the wallets of the inexperienced user. What they do can be done in other ways, and mostly what they do is unnecessary, but sounds good. Unfortunately in the hands of an inexperienced user they can do a lot of damage to a Mac OS installation. Avoid.

I concur with jeffreythefrog. No such software is required. l

If you explain why it is you think you need to "clean" or "repair" your computer, it is likely that people can give you suggestions that are safe.

Meanwhile, you may want to look at this:

Effective defenses against malware and ot… - Apple Community

It has a section on just that sort of software.

I would advise to use no such software.

what issues are you having that leads you to believe that you need to "clean" your Mac?

None. Why don't you tell us what the problem is.

etrecheck is a good diagnostic and information gathering tool that will help determine what's wrong.

"Seeking repair or cleaning software for MacBook Air: What is a good repair or cleaning software for MacBook Air 20?"

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Do It Yourself(DIY):

See if you have loads after System Data to remove. How to Use Finder to Clear “System Data" on a Mac - User Tip