Rolls Windows back to a previous state without affecting your files. A great “oops” button.

A stripped-down Windows environment for troubleshooting issues. Hold Shift while clicking Restart.

Loose connections can cause all sorts of quirks. Power down, unplug everything, blow out the dust, then carefully plug it all back in.

Viruses and their nasty friends can throw a real wrench in the works. Run a full system scan just to be safe.

Completely shut down the device, wait a minute, then start it back up. Fixes a surprising number of issues.

A newer type of database that’s more flexible than SQL. Great for unstructured data like social posts.

Structured Query Language. The programming language most databases use for managing data. Pronounced “sequel”.

Accessing a computer over a network. Can be handy but also opens security holes if not set up right.

Features that restrict content and computer use. Handy for protecting kids online.

Settings that control what a user can access and modify. Useful for locking down sensitive files.