1. Knowledge Base
  2. Computer, Device, and Printing
  3. Software
  4. macOS

macOS

Using the Mac Operating System as well as common troubleshooting.

Articles (23)

Pinned Article Mac OS X for Windows Users

Adjust font sizes in MacOS browser window

Application blocked by Java security

How to get access to Oracle when you get you receive the message that it was blocked by Java security. This article only applies to Windows computers.

Before Reinstalling Mac OSX

Boot Camp Assistant

How can I change the default email program to Outlook on my Mac?

How to Determine the Operating System on a Mac and its serial number

How-To Change Your Display Name on a Mac

Insert personal signature into Word for Mac document

Installing XQuartz and Enabling GLX (OpenGL).

Install XQuartz and enable display of OpenGL from remote systems.

KeyCheckout for Mac OS X

Check out license keys for temporary use off-network

Mac OS X: How to change the default application for opening files

macOS - How do I check if an app is 32-bit or 64-bit?

macOS Big Sur: Before you Upgrade

We recommend checking your hardware, applications, and peripherals for compatibility before upgrading to macOS Big Sur.

MacOS prompting message about disk space and option to optimize photos

MacOS: Use "Ping" to test connection between two computers.

Open an App from an Unidentified Developer

Open an app from an unidentified developer in macOS.

Resetting the NVRAM on a Mac

Share the screen of another Mac

Slow Mac Problems and Fixes

Common issues with Mac startup speeds and their resolutions.

Software Update on a Macintosh Computer

System Errors on a Macintosh

Unable to delete files from Mac laptop

Unlock a file or folder to be able to delete or change it.