1.Start the specified software: 

Step 1: program drive letter (such as C:) 

Step 2: CD program directory 

Step 3: start program name

2.End the specified process: taskkill /f /t /im "process name"

3.Delete a file or folder: del "file or folder path"

4.Forcibly delete a file or folder: del /F /S /Q "File or folder path"