Open iTunes Music on your PC. After iTunes opens, click on the "iTunes Store" button underneath "Store" on the left-hand side of iTunes.
Use the search bar at the top right-hand side of the screen to search for the iTunes music you wish to add to your PC. You may enter a song title, artist, album title or other relevant search term.
When you have located the song you wish to download to your PC, click on the "Buy" button located to the far right of the song. A new window will pop up asking for your Apple ID (email address) and a password.
If you have an Apple ID and password, enter this information and proceed to Step 8. If you don't have an Apple ID and password, click on the "Create New Account" button in the window. A new page will open that will begin creating your iTunes Store Account.
Click on the "Continue" button. A new page will open. Read the "iTunes Store Terms and Conditions." Check the box next to the words "I have read and agree to the iTunes Terms and Conditions." Click on the "Continue" button located below the agreement.
Enter your email address and a password of your choosing. Fill out the question and answer and other personal information. Click on the "Continue" button. A new "Provide a Payment Method" page will open.
Enter your credit card and address information. Click on the "Continue" button. Click on "Done" on the "Congratulations" screen.
A window will pop up asking "Are you sure you want to buy and download (Your Song Here)?" Click on the "Buy" button. This will download the iTunes music to your PC.