Deciphering Windows 7 Upgrades: The Official Chart

Over the past two weeks, I’ve explained some of the challenges and limitations that will be involved in upgrading an existing Windows XP or Windows Vista PC to the forthcoming Windows 7 operating system, due out October 22. Several readers asked me to publish a chart showing which current versions of Windows could be easily upgraded to which planned versions of Windows 7, and which couldn’t.

Running the Treo’s OS on the Pre

Walt answers readers’ questions on the Palm Pre operating system, whether the Pre can be used as a modem, and more.

Network Hard Disk by Western Digital Offers Easy Backup

Western Digital’s My Book World Edition is a new networkable hard disk that is simple and effective for anyone with a modern operating system.

Using a Stylus With the iPhone

Walt answers questions about using a stylus that works with the iPhone and caring for an external hard drive.

A Hard Drive Warning From an Old Computer

Walt answers questions about computer hard drive failure, running virtual machines on a Macintosh, and diagnosing slow startup times.