How to Download Songs from YouTube on a Mac (7 Steps)

Open Safari on your Mac. It will be in your dock or in the hard drive/Applications folder. Double click on it to open it.
Go to the webpage of the YouTube song you would like to download. Be sure you are on the page of the song and not the page of the user who uploaded the song. Double click on the name of the video to get the webpage of the song you want to download.
Click on 'Activity' in the 'Window' menu. Click the arrow next to the name of the page so the arrow is facing downwards. It will be 'YouTube Title of the Video,' with 'Title of the Video' replaced by the actual title. A list of files will show up.
Scroll through the list of files and double click on the one with the largest file size. For most YouTube songs, it is about 5MB or more. A new window will open in Safari, along with Safari's download manager and the file will be downloaded onto your Mac as an FLV. Change the location of the downloaded file by clicking on 'Preferences' in the 'Safari' menu, choose 'General' and select a location for the file from the 'Save Downloaded Files to' menu. Click 'Other' to choose a new destination for the file.
Open QuickTime Pro in your dock or hard drive/Applications folder. Click 'Open File' in the file menu and choose the FLV file from your Mac.
Select 'Export' from the File menu and choose 'Sound to AIFF.' Click 'Save.'
Click on the AIFF file once it is completed and iTunes will open it automatically.
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How to Access the Activity Monitor on Your MacBook

Click on the 'Go' menu option from the Finder menu. Scroll down to 'Utilities' then click.
Locate the 'Activity Monitor' in the folder, then double-click to open the utility.
Alternatively, click on the 'Spotlight' search tool, located in the upper right hand corner of the Desktop Finder menu. Type in 'Activity Monitor' in the text box to open the utility.
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How Do I See What Is Running on My MacBook? (3 Steps)

Click 'Finder' in the dock.
Click 'Applications' and navigate to the 'Utilities' folder.
Double-click 'Activity Monitor.' Activity Monitor displays all the Mac's running processes. If a process is taking up too much system memory, you can highlight this process and click the 'Quit Process' button at the top of the window.
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