28Useful InformationInstalling Software3 Press F10.At the confirmation message, select [Yes] and press Enter.Computer will restart.4 Press F2 or Del while [Panasonic] boot screen is displayed.The Setup Utility starts up. If the password is requested, enter the Supervisor Password.5 Select the [Exit] menu, then select [Recovery Partition] and press Enter.6 Click [Reinstall Windows] and click [Next].The License Agreement screen appears.7 Click [YES].The License Agreement screen appears.8 Click [Yes, I agree to the provisions above and wish to continue!] and click [Next].9 Select the setting and click [Next]. [Reinstall Windows to the whole Hard Disk to factory default.]Select this option when you want to install Windows to the factory default. After installation, you can create anew partition. For how to create a new partition, refer to “To change the partition structure” ( page 19). [Reinstall to the System and OS partitions.] *1Select this option when the hard disk has already been divided into several partitions. For how to create anew partition, refer to “To change the partition structure” ( page 19 ).You can keep the partition structure.*1 This does not appear if Windows cannot be installed to the recovery partition and the area usable by Windows.10 At the confirmation message, click [YES].11 Select OS (32bit or 64bit) and click [OK].Select language and OS (32bit or 64bit), then click [OK].12 At the confirmation message, click [YES].Installation starts according to the instructions on the screen. (It will take approximately 20 minutes.) Do not interrupt installation, for example by turning off the computer or pressing Ctrl + Alt + Del. Otherwise installation may become unavailable as Windows may not start up or the data may be corrupted.13 When Ending process screen is displayed, click [OK] to turn off the computer.14 Turn on the computer. If the password is requested, enter the Supervisor Password.15 Perform the “First-time Operation” ( page 18).16 Start the Setup Utility and change the settings as necessary.17 Perform Windows Update. Using Recovery DiscUse the Recovery Disc in the following conditions. You have forgotten the administrator password. Installation is not complete. The recovery partition in the hard disk may be broken. To change OS from Windows 7 to Windows 8, or vice versa.NOTE To change OS from 32 bit to 64 bit, or vice versa, install OS using the recovery partition in the harddisk.Preparation Change to the laptop mode. Prepare the following items: • Recovery Disc ( Reference Manual “Recovery Disc Creation Utility”) • USB DVD drive (optional) (refer to recent catalogs and other sources for information about the productsavailable) Remove all peripherals (except for the USB DVD drive). Connect the AC adaptor and do not remove it until installation is complete.