where is the button with the words win/pause?

Please have some imagination when giving instructions to totally non-technical people like me!

If you are unsure which Windows version you have, press ⊞ Win+Pause to open your system properties window. The LibreOffice Main Installer download page can be selected with a built-in help file for your language:

What is ⊞ Win+Pause ?

Please keep main question short.

Google is your friend.


That is a key combination - two different keys. Hold down the ‘Window’ key while pressing the ‘Pause’ key. See this page for key combinations in Windows → Keyboard shortcuts in Windows