Install Android OS on Oracle VirtualBox
Here we using:
VirtualBox 4.2.12 r84980
Android-x86 4.2-20130228
Windows 7 32-bit
1.Download and install latest Oracle VirtualBox from VirtualBox website.
2.Download the latest Android -x86 .iso file from here.
3.Open virtualBox and click New button.
4.Enter your android OS name,select Linux in Type and select linux 2.6 as version and click Next.
5.Set 1024MB as RAM and click Next.
6.Select Create a virtual hard drive now and click Create button.
7.Select VDI and click Next button.
8.Select Dynamically allocated and click Next.
9.Type name and select location of new virtual hard drive by clicking the folder icon.And selct the size.And then click create button.
10.Right click on Android and select Settings.
11.Select Storage.
12.select Empty and click the CD icon under CD/DVD Drive and select choose a virtual CD/DVD disk file.And choose the download android-x86 .iso file.
13.Click OK.
14.Then click the start button.
15.Select Installation – Install Android-x86 to harddisk and press Enter Key.
16.Select Create/Modify partitions option and press Enter key.
17.Select New and press Enter key.
18.Select Primary option and press Enter key.
19.Press Enter key.
20.Select Bootable option and press Enter key.
21.Then select Write option and press Enter key.
22.Type yes and press enter key.
23.Select Quit and press enter.
24.Select Linux VBOX HARDDRIVE and press Enter key.
25.Select ext3 and press Enter Key.
26.Select YES and press enter.
27.Select YES and the press Enter key.
28.Select YES and the press Enter key.
29.Click Devices, select CD/DVD Devices and select Remove disk from virtual drive.
30.click Force unmount.
31.Select Reboot and press Enter key.And Wait to complete..
32.Click Machine and select Disable Mouse Integration.
33.Click start.
34.Skip wifi,configure your google account,set your time,type your name,agree the terms and finish the setup.
Watch this video