How to access the Vim command window in Linux?

To enter the vim command window, press the colon key in English, and then input commands in the bottom command line.

Here is the step-by-step guide on how to enter the vim command window:

1. Open the terminal or command line interface.
2. exclusively use vim
3. In the Vim editor, pressing the English colon (:) will move the cursor to the bottom command line.
4. Could you please assist me?

Please note that after entering the vim command window, you need to press the Enter key to execute the command.