how can i download mac OS cataline?

How to Upgrade to  macOS 10.15 Catalina:

These Mac models are compatible with macOS Catalina:

• MacBook (Early 2015 or newer)

• MacBook Air (Mid 2012 or newer)

• MacBook Pro (Mid 2012 or newer)

• Mac mini (Late 2012 or newer)

• iMac (Late 2012 or newer)

• iMac Pro (2017)

• Mac Pro (Late 2013 or newer)

To find the details about your Mac model, click the Apple  icon at the top left of your screen and choose About This Mac. 

❗️– IMPORTANT  – Backup your data. (You’ve been warned.)

Learn How to Back up your Mac with Time Machine:

https://support.apple.com/en-us/HT201250

❗️ – IMPORTANT  Your 32-bit apps won’t work in Catalina.

Get this free utility to check the compatibility of your apps:

St. Claire Software – Go64: https://www.stclairsoft.com/Go64/

📚 – Check Compatibility of your Mac with newer versions of macOS.

https://support.apple.com/en-us/HT211683

✅ - Download the macOS 10.15 Catalina upgrade installer here:

click > https://itunes.apple.com/us/app/macos-catalina/id1466841314?ls=1&mt=12

(Don’t use FireFox for this link)

The download will place the "Install macOS Catalina" application in the Applications folder. Double-click the installer to begin the upgrade process.