You will need
  • - Partition Manager;
  • - a Windows installation disc.
First, copy all important files to another hard disk partition. Pay attention to the fact that all the data stored on the desktop computer located on the system partition. Make sure that the local drive With the left important information.
Install Partition Manager. With its help, you will be able to clean up system partition before installing Windows. Restart the computer and open the program PM. Menu, quickly access, select "Mode for experienced users."
Find the graphic image of the desired local drive. Click right mouse button. Select "Format". In the next window, specify the file system that formatted partition.
Enter a volume label, such as system, and then click "Format". When you return to the main menu, locate on the toolbar button "Apply pending changes". Click it and confirm to start the data removal process.
Restart the computer after the withdrawal of the corresponding window. Utility Partition Manager will perform all the necessary operations in DOS mode.
If you have no desire to install a program to format the partition, simply insert the Windows installation disc in the drive and turn on the computer. Select boot from DVD drive.
Follow the step by step setting menu system. After the appearance of the list of available local drives, select the one on which you will install a new copy of Windows. Click the "Format" (Windows Vista and 7) or F key (Windows XP).
After completion of the cleaning procedure of the selected section will continue with the installation of the operating system. It should be noted that when working with disks Vista and Seven you can format any partition even if the OS is installed on another local drive or hard drive.