In your PAL window, find the Install Printer icon and choose the printer you would like to install.
In Microsoft Office products such as Word and Excel, click on File, then Info on the sidebar. Click the down arrow next to Protect Document. From there you can Encrypt your document
Using your keyboard, press the Ctrl + Alt + Delete keys simultaneously. One of the choices presented is 'Change Password'.
This website is a great place to check the complexity and security of your password.
Every device is different, but visit this Google support article for assistance.