Windows has ruled the desktop operating system market ever since
Microsoft teamed with IBM to produce the software for the first line of
PCs in the 1980s. Even with other OSs available for PCs, Windows
continues to dominate the market by a wide margin. Nevertheless,
alternate operating systems may offer applications or features you want
to test or try. Alternatively, you may simply want to install two
versions of Windows. If your computer has two hard drives, you can
install a second operating system on the second drive and set up the
machine so you can choose which OS to
boot at startup.
Step 1
Shut down the computer and restart it. As soon as the machine starts
to boot, insert the installation disc for the secondary operating system
into the optical drive of the computer. Ensure that you insert the disc
before the Windows logo appears on the screen or you will have to
reboot the computer with the disc inserted. Wait for the computer to
boot from the installation disc and display the initial setup menu for
the second operating system.
Step 2
Click the "Install" or "Setup" button in the setup screen for the
second operating system. When prompted to choose a drive for the
installation, select the primary partition for the secondary hard drive.
If your primary Windows hard drive has only one partition -- the "C:"
drive -- the secondary drive's partition probably uses the "D:" drive
letter. If the hard drive with Windows installed has two partitions --
the "C" and "D" drives -- the drive letter for the main partition on the
secondary hard drive probably uses the "E:" drive letter unless you
changed it manually using the Windows Disk Management utility.
Step 3
Follow the remaining prompts to create additional partitions on the
secondary drive if needed and format the drive with the needed file
system. Follow any prompts to allow the installation routine to copy
needed files and personalize the operating system. Reboot the computer
when prompted. After the computer restarts, a new "Windows Boot Manager"
appears on the screen prompting you to select an operating system to
boot.
Step 4
Press the down-arrow button to highlight and select the "Windows 7"
boot option if it does not appear first on the boot menu. Press the
"Enter" key to boot in to Windows 7 normally. Log in with your Windows
username and password if prompted.
Step 5
Click the Start button, then type "msconfig" in the search box and
press "Enter." After the System Configuration window appears, click the
"Boot" tab.
Step 6
Click and select the name of the operating system that you want to
boot by default when the computer starts. When you install most
secondary operating systems, Windows 7 remains the default OS on bootup.
However, this may not always be the case. Nevertheless, select the
operating system that you want to boot automatically if you do not
select an OS in the Windows Boot Manager screen.
Step 7
Enter a value in seconds in the "Timeout" field. This is the amount of
time the Windows Boot Manager screen appears and waits for you to
select a boot option. The default Timeout value is 30 seconds. However,
you can enter a lower value if you don’t want to wait a full 30 seconds
for the machine to boot to the default OS, or enter a higher value if
you usually require more time at bootup to select an OS to which to
boot.
Step 8
Click "Apply," then "OK" to save the boot menu changes. Restart the
computer and use the Windows Boot Manager to boot into the operating
system you want to use.
References
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