Restore a backup created on a previous version of Windows
You can restore a backup created on a previous version of Windows (the backup file will have a .bkf file name extension) by using Windows NT Backup Restore Utility. For more information on system requirements and how to download and run this program, go to the Microsoft Windows NT Backup Restore Utility
website.
To run Windows NT Backup Restore Utility, you need to turn on Removable Storage Management.
To turn on Removable Storage Management
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Open Programs and Features by clicking the Start button 
, clicking Control Panel, clicking Programs, and then clicking Programs and Features.
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In the left pane, click Turn Windows features on or off.
If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
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Select the check box next to Removable Storage Management to turn the feature on, and then click OK.
