No, it is free from the Mac App Store. Follow the link below from a Mac to download from the Mac App Store.
http://www.ofzenandcomputing.com/fix-mac-blue-screen-boot/
The best place to buy Parallels for a Mac computer would be on the Parallels website. Another trusted place online to buy Parallels would be on Amazon.
A MacBook Pro is considered a great laptop with an extremely high screen resolution. They are available directly from the Apple Store, both physical locations and online. Future Shop and Best Buy also sell the MacBook Pro laptop.
System Preferences is available in when one Clicks Finder on the Desktop in MAC OSX.
The cheapest Mac computer Apple offers is the Mac Mini, which starts at $599.00 in its most basic configuration. Apple's cheapest laptop is the Macbook Air, which is $999.00 in its smallest size and most basic configuration.
Buy a second monitor.
Buy a Mac instead
It depends if you want portability or processing speed and a bigger screen.
You can buy and download the Mac beta client from the website. To run it just follow the on screen instructions.
If you need a computer buy an iMac if you only need a screen to add to your computer buy a Cinema Display. It is impossible to make a direct comparison between a screen and a computer.
http://www.ofzenandcomputing.com/fix-mac-blue-screen-boot/
If you have Mac OS X 10.6 (Snow Leopard) then QuickTime can record the screen - select New Screen Recording from the File menu. Try Snapz or screenflow, both of them record screen for Mac. or check more at http://en.wikipedia.org/wiki/Screencast
You buy it for mac. You can get it at a mac store.
The mac pro does not have a screen. It is used to optionally connect to an imac and give it more speed and more memory and hard drive.
To change the screen resolution on a mac:Open system preferences by:clicking the apple menu at the top of the screen, then clicking on system preferencesClick on displaysHere, you will find all of the screen resolution settings that your Mac can support.
Buy a new mac
You buy it.