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        <h1><a name="kanchor3"></a>About Computer Fingerprints and Locking Codes</h1>
        <p>Many applications are licensed to run on specific computers. The restrictions 
 on which computers the application is allowed to run are stored in the 
 license code. When an application is purchased, its license code must 
 include the information needed to identify a computer. The information 
 that can be used to identify a computer is called its <span style="font-style: italic;">fingerprint</span>.</p>
        <p>The fingerprint might include the computer’s network address, disk ID, 
 the Computer ID key, and so on. Your vendor can determine how much of this 
 information is required to establish a computer’s identity. </p>
        <p>Hence, the first step in creating a license code that is restricted 
 to a particular computer is to run a utility that collects the information 
 your vendor requires for computer identification. This utility collects 
 this information and generates a <span style="font-style: italic;">locking 
 code—</span>a string, like shown below: &#160;</p>
        <p class="code">*1KM VW64 SS28 Q9MT</p>
        <p>You provide this locking code to your vendor using a telephone or the 
 Internet and your vendor produces a license code that specifies all authorized 
 uses and includes the locking code.</p>
        <h3>About Demo Applications </h3>
        <p>Some applications are licensed without computer restrictions. Demonstration 
 software is often licensed in this manner. Typically, demonstration software 
 is licensed for a limited period of time so computer restrictions are 
 not required. This kind of software is often shipped with a license code 
 that can be installed automatically. This software may then be used until 
 the license expires. To run the application again, you will need to contact 
 your vendor for obtaining a permanent license code.</p>
        <p class="SFNT_Note">If your application 
 came with a license code, you can skip the details for <a href="ObtainingStand-alone_Locking Code.htm">getting 
 your computer locking code</a> and <a href="Installing_License_Code.htm">installing 
 a license code</a>.</p>
        <p style="font-weight: bold;">See Also:</p>
        <ul>
            <li class="Bullets_1" value="1"><a href="ObtainingStand-alone_Locking Code.htm"><span style="font-weight: normal;">Getting Your Computer Locking Code</span></a>
            </li>
            <li class="Bullets_1" value="2"><a href="ObtainingLicManager_Locking Code.htm">Getting 
 Your License Manager Locking Code</a>
            </li>
        </ul>
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