help me to upgrade my mac to Macos Big Sur?

Habiba1227 wrote:

why my Mac cant have the Big Sur?

Software upgrades are limited by hardware... you do not say what exact Mac you have?

You can see here some basics:

How to upgrade to macOS Big Sur w/tech specs

https://support.apple.com/en-ca/HT201475

Tech specs—Big Sur

• MacBook (2015 or later)

• MacBook Air (2013 or later)

• MacBook Pro (Late 2013 or later)

• Mac mini (2014 or later)

• iMac (2014 or later)

• iMac Pro (2017 or later)

• Mac Pro (2013 or later)

There are more than 100 computers that bear the name MacBook Pro, released in different model-years from 2006 to the present day, with more than three different sizes of physical displays included.

Which is yours?

what software is it running now?