Overclock a DELL ...?

Not that I’m going to … because I doubt I will …

But I went into the BIOS for my new DELL (never owned a pre-made computer, I’ve always built my own) and I see no way of trying to Overclock it …

I know I should probably just google this simple trick - but I figured I’d throw it out there for the Kirupians to give me advice on …

So, what’s the trick - how do I overclock a DELL?