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This method is 100% tested.This installation is common for
both upgrading and downgrading Android Version(i.e if you
had installed Kitkat and iLf you want upgrade to Lollipop
5.0.2 then just download the iso image and install and the
vice verse.
Tools Required:
Android x-86 iso Image
Rufus/PowerIso/UNetbootin
Pen drive (1 GB)
Grub2Win- Download it from here
Step By Step Method To Dual Boot Android And Windows
On PC:
1. First you have to create a bootable pendrive.You can find
a detailed tutorial to easily make bootable pendrive here.
2. You have to make a new partition with minimum 3 GB
space or you can use any of the partition that is already
created by you in your system.
Note:For error free dual OS installation do not use the
partition where your primary OS is installed and also the
drive must be in FAT32 format.(If you had installed
Windows in C drive then for Android installation you have to
use other drive). If you have any doubt then the best solution
is to create a new drive.
How to Create A New Partition To Dual Boot Android And
Windows:
To create a new drive you have to access Disk Management
in your computer.For that right-click on My Computer
shortcut and click Manage. Next select the Storage option
and there you will find the disk management.(or)
Simply go to RUN command by pressing Win+R ,type
diskmgmt.msc and press OK.
Over there you will find all partition.Select any one of the
partition where you have more free space.Right click on it
and select shrink volume.
Next set the required space,3 GB space is enough for this
,so enter 3000(MB) in the third option and click shrink as
shown in the below image.
Then right-click on it and choose New Simple Volume
option.Keep clicking next until you reach format partition
page and choose the file system as FAT32 as the file system
as shown below.
Your new volume is ready for Android installation.
3. Now insert the bootable pendrive or DVD and restart your
PC.Enter the boot menu(mostly F10 or F12) and select USB
HDD and enter.In the next page click Installation-Install
Android-x86 to harddisk .
4. Now in Choose Partition page choose the desired one
(Win95 FAT32).(Note the sda number which will be required
late,for example the sda number is 7 in the below image).
5. Then in the next page choose Do not format.
6. In the confirmation page for Do you want to install boot
loader GRUB?Press Skip
7. In the other confirmation page,The installer is going to
create a disk image?Press Yes.
8. For the size of the data.img in MB just choose your
desired size Min is 512MB and Max is 2047 MB.
.jpg)
9. Next Reboot your computer.
10. Now extract all the contents form Grub2Win to the C
folder(Folder in which Windows 7/8//8.1/10 is installed).
11. Now RUN grub2win.exe and in the next screen choose
the Windows Boot Menu Title(optional) and press OK.
12. In the Grub2Win folder there will be a CFG file,just open
it with Notepad and enter the following code below the
start-grub2win-user-section #
Android
menuentry “Android KitKat” {
set root='(hd0,Your sda number)’
linux /android-4.4-RC1/kernel quiet root=/dev/ram0
androidboot.hardware=android_x86 video=-16 SRC=/
android-4.4-RC1
initrd /android-4.4-RC1/initrd.img
}
13. Replace Your sda number with sda number that you have
noted in step no 4.
14. Save the notepad.Your dual boot android and windows
computer is now ready.You can choose the required
operating system when you start your computer.