How to Enable UEFI Fast boot?


I just upgraded to Win 10 From Win 7 Now I want to Enable Fast Boot So How can i do it ?
I tried to set CSM To UEFI nothing happens it boot for legacy bios again :-?
Do i Need To Format OS & Reinstall in GPT partition & Is secure Boot need for fast boot?
My sys spec are
AMD FX8350
Asus M5A97 LE R2.0
Gskill 8GB RAM
Sapphire Vapor-x R9 280x Trix
Samsung 840EVO SSD
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