Why? Because Android expects an ARM processor (like in your phone) and specific mobile drivers. Your laptop has an Intel or AMD chip, a Realtek audio card, and an NVIDIA GPU. The Android-x86 team doesn't write drivers; they translate them using a brilliant hack called (owned by Intel) or libndk_translation .
And that feeling is worth the download.
You will likely curse the Wi-Fi drivers. You will reboot back into Windows in frustration. But for about 15 minutes—between the boot screen and the first crash—you will see the purest, fastest version of Android ever to run on a real keyboard and mouse. download android-x86 iso