Install the optional Intel x86 Emulator Accelator (HAXM) , which comes with the Android SDK Manager. After installation:

You can find it at:
.\android-sdks\extras\intel\Hardware_Accelerated_Execution_Manager\IntelHaxm.exe

And as indicated in the image:
Intel HAXM requires an Intel processor with certain hardware features, including Intel Vertualization (VT) technology.
Typically, VT is enabled from the BIOS.
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