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Thank you for contacting the Intel community.
The option is normally located on the BIOS, depending on the motherboard you are using and how your system was built, the Intel® speed shift technology is available on 6 generation processors but this also depends on your computer manufacturer if they decide to enable or disable this option.
At this point, I suggest you to contact you computer manufacturer and find out if this option can be enabled on your system BIOS, you can check with them if there is a BIOS update that can help enable this option on your system.
Please let me know how it goes.