A. How to start Command Prompt
1. Start as normal User
Press Window button + R to start cmd box >>> Then, type cmd >>> then, Enter
2. Start as Admin
Press Window button + X, then press A button

B. Kill a Process
1. How to show all the process name and pid
tasklist
this is command to show all process name and pid
2. Kill a process by pid
taskkill /F /IM process_id
3. Kill a process by name
taskkill /F /IM “process_name”
Example: taskkill /F /IM “firefox.exe”