may you please help me activate my itunes card

We are all itunes users just like you.

Perhaps if you were to explain your problem, then someone could help.

Read this:

iTunes Store: Invalid, inactive, or illegible codes

There ae some errors you may encounter with a gift card. They can be:

-Invalid

-Inactive

-Illegible

If it says invalid, follow the tips roaminggnome gave above. If it's inactive/not activated, you will need to contact support:

http://www.apple.com/support/itunes/contact/