57Useful Information8 Touch [Reinstall Windows] and touch [Next].9 At the confirmation message, touch [YES].10 At the License Agreement screen, touch [Yes, I agree tothe provisions above and wish to continue!] and touch[Next].11 Touch [Next].If the option is displayed, select the setting and touch [Next].l [Reinstall Windows to the System Disk to factory default.]Select this option when you want to install Windows to the factory default.After installation, you can create a new partition. For how to create a newpartition, refer to “To change the partition structure” ( page 35).l [Reinstall to the OS related partitions.] *2Select this option when the flash memory drive has already been dividedinto several partitions and you want to keep the partition structure. Forhow to create a new partition, refer to “To change the partition structure”( page 35).*2 This does not appear if Windows cannot be installed to the recovery partitionand the area usable by Windows.12 At the confirmation message, touch [YES].Installation starts according to the instructions on the screen. (It will takeapproximately 30 - 45 minutes.)l Do not interrupt installation, for example by turning off the computer. Otherwise installation may become unavailable as Windows may notstart up or the data may be corrupted.13 When Ending process screen is displayed, remove theRecovery Disc and DVD Drive and then touch [OK].Follow the on-screen instructions.14 Perform the “First-time Operation” ( page 33).15 Start the Setup Utility and change the settings as neces-sary.16 Perform Windows Update.17 Clear TPM ( page 53).