If the system has two disks, ready to install the OS, skip the next two steps.Otherwise, you must create an extended partition on the hard drive to install a second operating system.This can be done via standard means of Windows.
Select "Start" - "Control Panel" - "System and Security" - "Administrative Tools" - "Create and format hard disk partitions".Right-click on the drive and select "Shrink Volume" and after "compression".Right-click on the unallocated space that appears and select "New Simple Volume."Now, the system will be another virtual disk.However, these opportunities are not always enough, especially given the constraint on assignment of any size sections.
use a third-party programs to work with hard drives.Examp
les include Paragon Partition Manager and Acronis Disk Director.Run the application.Right-click on the drive and select "Resize".In the window that appears, set the desired value for the size of the new partition and confirm by pressing the "OK" button.Right-click on some free hard drive and select "Create Partition".Confirm with "OK".Next, select the menu "Options" - "Run" and then "Start".
Then restart the computer.After rebooting the screen will display the progress of a new hard disk partition.At the end of this operating system starts.At the same time it will be found a new local disk.
Now you can install the operating system.Insert the CD and run the installer.At the beginning of the process when you want to specify the partition to install, select a specially created for this virtual disk.After installation, you will have two operating systems on two discs.