Why Android Emulator is slow and how make it as faster?

Are you new to Android Emulator? Is android emulator slow? Are you want to make android emulator as faster?

Actually android emulator is really slow. Some time you may think that application is slow. But that same application runs in real device (phone,tablet,…) as good fast.
We can increase that speed of android emulator. For that, we have to install some SDK tools and have to change somethings. Just do following,

Why Android Emulator is slow and how make it as faster?
For Windows:

1) Install SDK Tools

Just install following tools,
1. Intel x86 Atom System Image
2. Intel Atom x86 System Image
3. Intel Hardware Accelerated Execution Manager