Macintosh Class 10-15-19

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Macintosh Class 10-15-19

OS = Operating System (Apple software that is essential to make the computer work, underlying software that makes the hardware, software and system come together)

Check which OS version you are using:

1)Click the Apple Menu (top left)

2)Choose "About This Mac"

3)A window appears showing you the name of your OS and the version number (ex. 10.12.8)


What is the difference between update and upgrade?

Update improves security and fixes flaws WITHOUT changing the OS version. Example version 10.12.6 will update to 10.12.8

Upgrade will change the OS version to a new version and may change the code that the software was written with affecting the software you have installed in your computer. Example version 10.12.8 (Sierra) will upgrade to 10.13.1 (High Sierra) changing the code and forcing you to buy or update other software like Office.


CAUTION jumping from Sierra (10.12) to any of the newer OS, High Sierra (10.13), Mojave (10.14), Catalina (10.15).


Do I need to upgrade?

If it isn't broken don't fix it. Unless there is a new feature in the newest operating system you want to have.


What does the new Catalina do?

macOS Catalina





How do I upgrade?

Go to the App Store and click Catalina

Or

Click the Apple Menu and choose System Preferences and choose Updates


I have a red dot on my system preferences and the dot is on iCloud asking me to active to 2 factor authentication.

What is 2 factor authentication?

1-factor authentication is a password.

2-factor authentication is another step after entering the correct password that might ask for a text message code, a phone code, an answer to a security question, etc.

Do I want 2-factor authentication?

Do it for financial institutions, email accounts and any other accounts that might have sensitive information.



Jason Dare
Computer Trainer
415/240.4843
learn@sfct.net
3145 Geary Blvd, Suite 457
San Francisco, CA 94118
www.sfct.net

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