IOS 6.1.2 to IOS 7 and not IOS 8?!

I'm trying to update my Ipad 2 from ios 6.1.2 to ios 7! But everytime I try to do that it shows me the ultimate update only to IOS 8 and I hear that many features in this new update isn't worthy to do it. Can you anyone Help please?!

Thanks.

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