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05:52:38,313 INFO anaconda: Creating disklabel on /dev/sda
05:52:38,518 INFO anaconda: Creating efi on /dev/sda1
Somehow you told it to reformat the entire drive during install. It wiped out the existing EFI partition and created a new one. If you don't have a recovery disk, you can download the installation media from Microsoft. Backup your windows files from Fedora if necessary, then see https://support.microsoft.com/en-us/help/12415/windows-10-recovery-options for how to get and use the installation media.