Clock is ticking on Windows XP

After a long-announced transition, 30 June marks the end of an era at Microsoft. Well, really it's the end of two eras.

Not only does the date mark the departure of Bill Gates but another epoch is also really coming to an end - that of Windows XP.

As of 30 June, large PC makers will no longer be able to sell Windows XP-based PCs, at least on mainstream laptops and desktops. Retailers will also have only until their current supply is exhausted to sell boxed copies of the operating system.

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Despite a brief "save XP" movement (and continued criticism of Windows Vista from many corners), it appears Microsoft is not going to change the deadline, which is now just two weeks away.

Although XP will disappear as an option for most computer buyers, the operating system will live on in several key ways.

XP will be available on PCs from smaller computer makers known as "system builders" until 31 January 2009 and for so-called ultra-low-cost-PCs until 30 June, 2010.

The low-end Windows XP Starter Edition will continue to be available in emerging markets until 30 June 2010.

Windows Vista Ultimate and Windows Vista Business come with downgrade rights. Some computer makers are using this option to offer machines that appear as Windows XP products but are "factory downgraded" to XP. The downside is that only pricier versions of Vista qualify but the benefit is that the machines come with the option to eventually move to Vista for no added fee. Microsoft says it will continue to make XP discs available to computer makers to enable downgrade rights through to at least January 31 2009.

Microsoft is not ending support for Windows XP. Mainstream support continues until 2009, while extended support is not due to end until April 2014.

A spokesperson for HP said: "All of HP's latest consumer and business computing products currently ship with Windows Vista. But we do still offer XP on a select number of our existing consumer notebook, gaming and business products. This will continue through the XP end-of-life date on June 30 2008.

"HP has been offering business desktops, notebooks and workstations with the option to downgrade to Windows XP Pro from Vista since August 2007, and will continue to offer this option on its business systems through at least July 30 2009. These systems are pre-installed with XP Pro, and the customer receives the Vista licence so that they can upgrade to the new OS when they are ready, as well as Restore discs for both operating systems. After June 30, if a customer already has the XP image and licence, HP also can also install that customer's image on their Vista Business systems through our HP PC Customisation Services."

A spokesperson for Lenovo said: "In line with our agreement with Microsoft, Lenovo will not offer any PC's preloaded with XP after June 30 2008. Lenovo offers select Vista models that ship with a downgrade XP CD in the box. Microsoft will allow us to continue putting these downgrade CDs in the box until January 31 2009. However, the majority of PCs we ship don't have the downgrade CD in the box. If a customer purchases a Vista system and wishes to downgrade and doesn't have the CD, they can contact our Help Center to get an XP downgrade CD."

CNET News.com's Erica Ogg contributed to this report.

Original article: Windows XP era draws to a close from CNET News.com