This tutorial assumes you have located PuTTY and starts from your desktop.
Now let’s learn how to start Putty maximised so the command line window is as large as possible.
Right-click the PuTTY icon
Then click Properties
Once the Properties window is open, be sure the Shortcut tab is selected.
Click Normal Window
Then select Maximized
Scroll down
Click Apply
Then click OK
This is the end of the tutorial. You now know how to configure PuTTY to launch in a maximized window.