윈도우10 텔넷 클라이언트 설치

명령창에 다음을 입력
pkgmgr /iu:"TelnetClient"

https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc771275(v=ws.10)
Install Telnet Client
08/13/2012
2 minutes to read
Applies To: Windows 7, Windows 8, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Vista
Telnet Client is not installed by default on Windows 7, Windows Server 2008 R2, Windows Vista, or Windows Server 2008. The procedures to install Telnet Client vary based on the operating system you are using:
Install Telnet Client by using a command line
Install Telnet Client on Windows Server 2008 R2 or Windows Server 2008
Install Telnet Client on Windows 7 or Windows Vista
Membership in the local Administrators group, or equivalent, is the minimum required to complete this procedure.
Install Telnet Client by using a command line
On Windows 7, Windows Server 2008 R2, Windows Server 2008 or Windows Vista you can use the following command line procedure to install Telnet Client.
To install Telnet Client by using a command line
Open a command prompt window. Click Start, type cmd in the Start Search box, and then press ENTER.
Type the following command:
pkgmgr /iu:"TelnetClient"
If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
When the command prompt appears again, the installation is complete.
Install Telnet Client on Windows Server 2008 R2 or Windows Server 2008
On Windows Server 2008, you can use the Role Management tool to install optional components.
To install Telnet Client on Windows Server 2008 R2 or Windows Server 2008
Start Server Manager. Click Start, right-click Computer, and then click Manage.
If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
In the Features Summary section, click Add features.
In the Add Features Wizard, select Telnet Client, and then click Next.
On the Confirm Installation Options page, click Install.
When installation finishes, on the Installation Results page, click Close.
Install Telnet Client on Windows 7 or Windows Vista
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
Click Start, and then click Control Panel.
On the Control Panel Home page, click Programs.
In the Programs and Features section, click Turn Windows features on or off.
If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
In the Windows Features list, select Telnet Client, and then click OK.