To password protect zip file(s) when you have never done this before can be a daunting task but it really is quite easy using 7zip the free tool available from here or via Ninite a software installation tool here This article assumed you have downloaded and installed 7zip already.
- Find the file / folder you want to password protect and right click on it
- Click 7-Zip
- Click Add to archive
- Give your new zip file a name
- Select the archive format as being zip, this will ensure maximum compatibility for other users
- Enter the password you wish to use
- Click Ok