1
The method to update Windows depends on your current Windows version, and do you want to upgrade to Windows 11?
A
Click your Start Button, type winver and hit Enter
Please provide a screenshot of the resulting dialog.
B
Click your Start Button, then just type msinfo and press Enter, please provide a screenshot of the resulting System Information window.
2
The method to update your Office version also depends on what Office licence or subscription you have.
Open Word, then go to File - Account.
Please provide a screenshot of that window and if your Email address appears in the screenshot, please hide it.