The Intel Hardware Accelerated Execution Manager (Intel® HAXM) is a hardware-assisted virtualization engine that speed up Android app emulation on a host machine. HAXM allows for faster Android emulation on Intel VT enabled systems.(android emulator link jar of beans )
Now, if you want to enable this feature, you have to enter BIOS and usually in the configuration tab look for virtualization or VT-d and VT-x and enable them, save the change and exit ,it's done.
