- Select the Control Panel from the Windows Start Menu.
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Click on Programs.
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Click on Turn Windows Features on or off
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If you have User Access Control enabled, you will be prompted to click ok to continue if you are logged in as a user with Administrator privileges. If you are not logged in as an admin, you may need to enter the admin password.
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Once you’ve passed the Access Control Prompt, you will see a Please Wait dialog.
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Check the box next to Telnet Client and click OK.
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You should see another Please Wait dialog. It took a solid 5 or 6 minutes for this dialog to go away on my PC. Your mileage may vary.