um trying to run it but get this error-

C:\Users\NKOSENHLE\AppData\Local\Android\sdk\tools\emulator.exe -netdelay none -netspeed full -avd slim_shady_API_23
emulator: ERROR: x86 emulation currently requires hardware acceleration!
Please ensure Intel HAXM is properly installed and usable.
CPU acceleration status: HAX kernel module is not installed!

please help.what do i have to download?