iTunes Store offers a large amount of free contents including music, movies, TV shows, and so on, also you can download applications for your iPad, iPhone, iPod, etc. However, to download them or purchase some contents you have to register an account. Using a credit or debit card is the simplest way to create an iTunes Store account, but not everyone has one of these cards, or they want to setup an iTunes account without credit card fearing that their information will be exposed online. Here some tips on how to make an iTunes account credit card are provided.
Method 1. Open an iTunes Store Account with an iTunes Gift Card
iTunes Gift Card is one of the most popular Apple products related gifts, whether for birthdays, holidays, or any other occasion. Most major retailers sell iTunes Gift Cards, but you can also order them online. The prepaid amount of the gift card is transferred to your iTunes Store account, which lets you access the funds to purchase music in iTunes store.
Method 2. Open an iTunes Account with PayPal
If you don't want to purchase an iTunes Gift Card, you can set up a free PayPal account instead. iTunes accepts PayPal as an alternative to credit cards and gift cards. If you do not have a credit card, you will need a checking or saving account to set up a PayPal account on PayPal.com.
Method 3. Open an iTunes Account without Credit Card on Your PC
Step 1. Download iTunes and Install it on your PC.
Step 2. Open iTunes, click the iTunes Store link on the left side of the iTunes window, pick your country by choosing the appropriate country flag located in the bottom-right corner of the main iTunes Store page. Then hit the App Store link on the top navigation bar.

Step 3. Before proceeding to the next step, you must download and install a free app - scroll down to the Top Free Apps box on the right side, hover your mouse over the first item, and click on the Free button that appears when you hover over it.
Step 4. In the pop-up window, click Create New Account. Then you will be directed to the "Welcome to the iTunes Store" screen, press Continue to create your account.

Step 5. You'll need to read and agree to the iTunes Store Terms & Conditions. Make sure you check the nearby box where it says "I have read and agree to the iTunes Terms and Conditions". Then click Continue.
Step 6. Enter your email address, password, security question, and date of birth, and uncheck the boxes to get email if you don’t want it… then click Continue.
Step 7. Select None as the payment method option.

Step 8. Simply enter your normal billing address, even though you have not entered a payment method. If you get the Address Verification screen, click Done and then check your email for a verification email from iTunes Store.
Step 9. Open the email and click the link enclosed in the email to activate your account. At this time, iTunes will launch and you’re prompted to enter in the Apple ID and Password you just created.
Step 10. You'll then see the below "Congratulations" screen. Click Done to be taken to the App Store home page.

Now you can easily download any free media from iTunes, or shop for your favorite music, movies, TV shows, etc. after make iTunes account without credit card. For more topics about iTunes, please refer to:
Transfer YouTube to iTunes
How to Import DVD to iTunes