I searched online and found these useful Microsoft Windows keyboard shortcuts. Here you are. Make your life easier with them. 
Windows system key combinations
• F1: Help
• CTRL+ESC: Open Start menu
• ALT+TAB: Switch between open programs
• ALT+F4: Quit program
• SHIFT+DELETE: Delete item permanently
Windows program key combinations
• CTRL+C: Copy
• CTRL+X: Cut
• CTRL+V: Paste
• CTRL+Z: Undo
• CTRL+B: Bold
• CTRL+U: Underline
• CTRL+I: Italic
“The command prompt has been disabled by your administrator.” Do you get this message when you try to use DOS command prompt to perform the task you want? With this message, you cannot do anything at command prompt. 
Fear no more… There are some solutions to this issue.
Solution 1:
Type this “REG add HKCU\Software\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 0 /f” command at Windows ‘Run…‘
Solution 2:
Use Registry Editor (Regedit.exe) to edit the DisableCMD value from 1 to 0 which located at [HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\System]
Solution 3:
Type “gpedit.msc” command at Windows ‘Run…‘. Under “User Configuration \ Administrative Templates \ System“, change Prevent access to the command prompt to Not Configured or just disable it.
All these solutions should help you solve “The command prompt has been disabled by your administrator” issue. 
