HP recommends Windows® 7.
HP Total Care owner services
Award-winning service and support
Product Support
Extended service plans
Get up to three years of top-tier technical assistance in installation, product setup and problem solving from trained HP Total Care Support Specialists.
For many HP products our extended service plan offerings also include:
HP House Call
Introducing the in-home repair two-year extended service plan with all the support you need to get the most out of your HP Pavilion or Compaq Presario desktop PC. Learn more
HP Express Repair
We’ll repair your HP product within three* days – at no cost to you.
*Not including holidays or weekends.
or
HP Next-Day Exchange
When you need it fast, HP Next-Day Exchange enables you to receive a replacement HP product by the next business day.* *When call is received before 2 p.m. local time, depending on geographic location.
HP Accidental Damage Protection
Accidents happen, so begin protecting your investment today. HP’s Accidental Damage Protection safeguards your HP and Compaq PCs, notebooks and HP Photosmart digital cameras from many of life’s inconvenient and often unavoidable occurrences.
Single product warranty upgrade
If you are looking to purchase a warranty upgrade for a single HP or Compaq product, call 1-888-999-4747 or click on one of the links below to purchase at the Home and Home Office Store.

Systems may require upgraded and/or separately purchased hardware to take full advantage of Windows 7 functionality. Not all features are available in all editions of Windows 7. See http://www.microsoft.com/windows/windows-7/ for details.