Open QuickTime Player
Click File
Select New Movie Recording
Click the arrow next to the record button to choose the camera and microphone
Click the red record button...
Press Shift + Command + 5
Choose Record Entire Screen or Record Selected Portion
Select Options if needed
Click Record
To stop, click the Stop button in the...
Press Shift + Command + 5
Choose Record Entire Screen or Record Selected Portion
Click Options to select microphone, save location, and timer settings
Click Record
To stop,...
Press Command + V to paste
Right-click and select Paste
Click Edit in the menu bar, then choose Paste
Use Control + click, then select Paste
In some...
Open Finder
Click Applications in the sidebar
Drag the app to the Trash
Right-click the Trash and select Empty Trash
If prompted, enter your Mac password
For apps from...
Click the Apple menu
Select System Settings
Click Network
Select Wi-Fi or Ethernet
Click Details or Advanced
Look for the MAC Address or Wi-Fi Address field
Alternatively, open Terminal
Type `ifconfig`
Find...
Back up your data
Sign out of iCloud
Sign out of Messages
Sign out of Music, TV, and other Apple services
Turn off Find My Mac
Restart the MacBook
Enter...
Open Finder
Go to the Applications folder
Select the app you want to delete
Drag the app to the Trash
Right-click the Trash and choose Empty Trash
If the...
Press Command + Option + Escape to open Force Quit Applications
Select the unresponsive app
Click Force Quit
Press Control + Command + Power button to restart...
Turn on the mouse
Make sure Bluetooth is enabled on the MacBook
Open System Settings
Click Bluetooth
Put the mouse in pairing mode
Wait for the mouse to appear...