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Which Windows is it? 7 or 8? Makes a big difference because Windows 8 will come installed in UEFI and with Secure Boot enabled. Windows 7 will (almost always) come installed in Legacy (CSM or BIOS) mode. The answer determines the next steps to setting up the dual boot. Can you boot into a Fedora Live media and post the output of sudo fdisk -l? That will give us the information we need to help you.

I have a suspicion (though I can't be certain until after we know your partition layout) that you have Windows 7 installed in Legacy mode. This means you have an MBR disk. And you're trying a Standard Partitioning for installing Fedora, yes? Fedora tries to group the /, /home, and swap partitions on an extended partition and creates a separate primary partition for /boot. It might not install if you already have 3 or 4 primary partitions. You can only have 4 primary partitions in an MBR disk. If you have 3 primary partitions, try LVM partitioning instead. I have never used it but I think it will create only 1 primary partition. Or maybe somebody else has another way to do this. It's all speculation at this point. We need your current partition layout to help you effectively.