Enabling Command Prompt in Windows:

Method 1:

1. Go to Start --> Run and type "regedit" (without the quotes ofcourse) and navigate to the following point
   
   [HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\System]



2. On your right-hand side, double-click the DisableCMD key and set its value to 0

Method 2:

1. Go to Start --> Run and type "gpedit".


2. In the User configuration, go to the Administrative Templates / System.


3. Double-click the "Prevent access to the command prompt" value and disable it. Setting it to Not Configured will also work.

Method 3:

• If you find the above method too difficult, just open Start --> Run and type the following code as it is
  REG add HKCU\Software\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 0 /f