I have a MacBook Air 11 using big sur and I need to factory reset the computer is about 9 years old

Labradors-thegreatest wrote:

I want to giveaway my MacBook Air it’s about 9 years old using os big sur but I’m having trouble factory setting it

What trouble are you having? We can not see what is happening and what error you are seeing.

Try following these instructions and tell us exactly what happens:

What to do before you sell, give away, trade in, or recycle your Mac - Apple Support