The grind never ends in Zenless Zone Zero, and if you want to collect all the characters in the game, you'll need a lot of Master Tapes.

Have a private document on your desktop OS? Here's how to keep it secure on Linux, MacOS, and Windows.

How you go about this will depend on the software you're using to create the file in the first place. Some applications have password protection features built in, while in other cases you'll need ...