Does it really matter if golf clubs are old and worn? What are the good clubs for beginners?

I’m wanting to buy a golf club set. I see clubs at the range I can use for free and one brand I remember is callaway. Is that a good brand? They have mostly worn golf clubs. I have played golf already and taken one semester class.
I just don’t think golf ranges would risk giving out good value clubs for people to borrow since people can easily steal them.

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