Sorry, no. Only MAC OSX machines are designed for it.
No. As of now you can only run and use Xcode on Mac computers. Even though you go to the process of waiting 4 hours for it to download, when it is complete you can't do anything with it on a Windows computer.
Apple's Xcode software developer tools are provided with every Mac on the installation discs but are not installed by default. They can also be downloaded from Apple's developer website (See links below) but you need to register before you can download them. Both Xcode and the registration are free.
Xcode is provided on the developers tools disc that is supplied with all Macs. It can also be downloaded from the Apple Developer's site (See links below).
You must have an Apple account for iPhone developing. Then you must download Xcode 3 and type out Xcode 3 code to create the app itself.
No you can not get xcode on any windows operating system i heard (even thought this may be in correct) that only MAC OS X users can get this.
You can download things into your Nook from any computer.
XCode for will work on any standard MacBook Pro no upgrading is required. If the Mac is running Lion (OS X 10.7) it will need XCode 4.1.
don't download any software that can harm your computer.
You can download a free calendar from calendarlabs.com . Choose any calendar template, modify it as you need and download it to your computer.
yes you can download any version of sony vegas on any type of pc
No. Viruses download to your computer, and Lumosity is completely web-based, so it can't download any viruses.
Normally you can download on any file sharing networks. You must just be careful that you have virus protection on your computer and it scans any files that you may want to download first to prevent viruses on your computer.