Ctrl + M: Enter Mark mode (allows you to select text with mouse). Once Mark mode is enabled, you can use the arrow keys to move the cursor around. Shift + Up or Down: Move cursor up or down one line ...
There are a few keyboard shortcuts on Windows computers that nearly everyone knows: Ctrl + C to copy, Ctrl + V to paste, maybe even Ctrl + Shift + Esc to open the Task Manager, Ctrl + Alt + Delete to ...