On Windows 7, Windows Vista, you can use the Windows Features tool to install optional components.
To install Telnet Client on Windows 7 or Windows Vista
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Click Start, and then click Control Panel.
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On the Control Panel Home page, click Programs.
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In the Programs and Features section, click Turn Windows features on or off.
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If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
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In the Windows Features list, select Telnet Client, and then click OK.
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Xiaoyu Guan (Sam)
http://guanxiaoyu.blogspot.com