password management – How can a computer clueless person learn how to back up KeePass 2.46 installed on Windows 10 to a USB stick?

I have spent to no avail several hours trying to figure out or find out by reading how to back up my free KeePass 2.46 (I guess that is the version) that I successfully by some miracle downloaded and installed on Windows 10.

I have found instructions ( but they are not written in plain English. I cannot understand terms like ‘plug-in’, ‘trigger’, ‘temporary location on your hard disk’.