Capable of running everything from Linux to OS X, Oracle's VirtualBox makes it possible to work on multiple operating systems at the same time. For instance, if you'd like to run Windows XP on your ...

For most would-be Windows 7 users, a 64-bit version of Windows 7 is the right move. But if you don’t have sufficient RAM (at least 4GB), or you rely on devices that don’t have supporting 64-bit ...