Recent versions of Peek-a-Boo require at least Mac OS X 10.4 (Tiger).

---

Legacy Versions of Peek-a-Boo

If you are using Mac OS X 10.3.9 (Panther), please download Peek-a-Boo 2.5.1.

If you’re using a version of Mac OS X older than 10.3.9, try downloading Peek-a-Boo 2.3.7.

Finally, if you are still using OS 9, visit the Peek-a-Boo 1.6 pages.

What happens when you run Peek-a-Boo?

The very first time you run Peek-a-Boo, you will be asked for authentication information.

Peek-a-Boo uses the Sparkle system to check for updates via the internet. If you do not want automatic updates enabled, turn them off from the preferences window.

Peek-a-Boo is designed for you to try out its entire set of functionality. Before you buy Peek-a-Boo, you will see messages reminding you to buy Peek-a-Boo if you continue using it.

What happens when you buy Peek-a-Boo?

When you buy Peek-a-Boo, a personalization key is emailed to you. This personalization key will remove the nag messages you see in each window.

Related articles

There are several articles that discuss and describe Peek-a-Boo behavior. You can find all of our articles linked from our “extras” page, but articles of special interest include:

• What’s special about Peek-a-Boo.
• The harsh business realities of Peek-a-Boo.
• The reasons that authentication is required.
• The dilemma of monitoring CPU usage closely.
• Screencasts of Peek-a-Boo windows.

Credits

Principal Engineer: Bob Clark
Contributing Engineer: Elden Wood
Special Thanks: Rich Fattic
Artwork: Thank you Fernando Lins
Sparkle Automatic Update Checking: Thanks, Andy Matuschak!
HDCrashReporter: Thanks, Humble Daisy!