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Using a QuizBowl LITE or QuizBowl PRO system involves 3 components:

1. A Player app for the players' tablet devices or smartphones

2. A wireless router that everyone (players & moderator) connects to

3. A Match Manager application that's operated by the moderator

We'll elaborate on each of these components below.
THE PLAYER APP

The QuizBowl Systems Player App is a
free download from either Apple's App Store or Google's Play Store.  Search for "QuizBowl Systems Player App" in either store, then download & install it on each player's device.
Accept the default installation options when you load the Player App.  One of the most important of those options will ensure that the app won't go to sleep during a match.  You don't want your devices or your players going to sleep during a match, do you?
To get the Player App for Windows clients, visit our Downloads page.
THE WIRELESS ROUTER

A dedicated wireless router is
not required for everyday classroom applications, however, a dedicated router is highly recommended for competition settings.  A wide variety of wireless routers are up to the task, and many of them cost less than $50.

For example, here's one we use that's rated to accommodate 20 users:
It's a UTT AC650W, and the last time we looked, it was $50.75 on Amazon.
Click here to check the latest pricing on this model.
If you're using a dedicated wireless router, don't connect it to the Internet.  This will ensure that the router pays attention to its one and only mission - managing traffic between the players' devices and the Match Manager application.
The most important consideration - from the standpoint of QuizBowl LITE or QuizBowl PRO - regarding a router is that it be set to allow devices to "see" one another.  If you're in a cafe or restaurant using WiFi, you don't want other people to see your computer, so the router is usually set to prevent that.  Ask your IT Coordinator to double-check this router setting because, after all, you DO want your players to be able to communicate with the application you're running.  And that brings us to the Match Manager...
THE MATCH MANAGER

The Match Manager application is what you use to establish whether you're playing in teams or as individuals (and how many are playing), what competition rules you want to use, how the teams should be arranged on the screen, etc.  It's also the application you use to run a match.

When you launch the Match Manager for the first time, the Windows Firewall will block the application, but you will be asked if you would like to override this initial reaction. 
Click "Allow Access" so that the Match Manager may function properly.
The Match Manager has two tabs: one for Setup and one for Play.  Use the Setup tab options to configure the system for your environment.  Select the Play tab when you're ready to start your match.
The most important piece of information on the Play screen is the Match Manager's IP address at the top.  This is the Server IP that each player must enter in order to join the match.  After entering the IP and their name, they click login and choose a team:
To customize a team's name, double click on its name on the Play screen.  Edit the name, then click outside the edit area anywhere to "lock" it in.
Once players have logged in and joined a team, you can move them within the same team just by dragging & dropping their player icon in the desired spot.

The Boot button, by the way, logs a player out.  Players can normally be expected to log themselves out when they leave a match, but if they don't, it's almost a sure bet that their replacements will!  However, there are times when you may want to "boot" a player, so that's what the Boot button is for.
When you're running the system during a match, you're welcome to use the mouse (or your finger if you have a touchscreen display), but you can also use keyboard shortcuts which are displayed on various buttons.  For example:

- The R key starts a ring-in test.

- The T key stops the round timer & calls a timeout.

Speaking of the timer, you can edit or adjust it simply by double-clicking its value and changing it.  Clicking anywhere else on the screen will update the timer's value.

And once the timer gets down to 10 seconds, its background turns red.  Watch for it.
If you have access to a projector, you can use the View menu to open a Public Window for everyone to see.  Then drag the Public Window onto your extended desktop display and maximize it.

- If you and the players are facing the projected display, leave the teams where they are.

- If your back is to the projected display but the players are facing it, simply drag/move the team scoreboxes where they need to be.

Lastly, you can enlarge or shrink your font size on both displays using the Edit menu.