i have a PC with win 7 and win 8 consumer preview, i downloaded UBUNTU 12 and want to replace win 8 by Ubuntu without removing win 7 and erasing my hard disk and i also don't have any option to backup....pls help....
closed as too localized by Tom Brossman, Jorge Castro, Mitch♦, Takkat, Ringtail Sep 14 '12 at 13:52
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First : Do backup your data from Windows 8 partition if needed.
Don't worry Windows 7 will be intact , if you take care while installing.
If not not deleted the windows 8 partition then from your Windows 7 OS , delete the windows 8 partition through Disks Management , which can be brought through right Clicking the My computer Icon. Reboot to see and confirm the changes.
Now with your LiveCd or PenDrive of
Then at the Partition table , select the Free space or Unallocated space .
--Select the Add option and then allocate the desired Space for root / and swap partitions in ext4 format [search or refer Ubuntu Guide for minimum and your Ram based swap space requirement], or you can also select the
-- Then select the appropriate Drive at the Grub Bootloader Installation option, if only single Hard Drive then most probably
You can further refer to Official wiki here.
Also Here is a link of how you can use WUBI. Using Wubi
If you are a beginner i will suggest you go this way, it will give you least troubles.