HP recommends Windows.

HP Promotions - a clever way to save money

HP’s refund program for the Windows 8 upgrade has expired. No new refund requests will be accepted. If your refund request is already in process, and you have been asked to submit your request again, please select your country and use the link below to open the program. Otherwise, please do not submit a refund request as it will not be fulfilled.


Purchase between
August 17, 2012 and February 2, 2013

Online Submission period
October 26, 2012 to March 31, 2013

Submission Guidelines
Terms and Conditions
Frequently asked Questions

   

* Not all Windows 8 features may be available on all Windows 7 PCs (including the PC's listed above). Your system may require additional hardware, software, firmware, and/or a BIOS upgrade to install and run Windows 8. For complete upgrade details, see http://windowsupgradeoffer.com and http://windowsupgradeoffer.com/en-US/Home/Faq. Check these sites frequently, as some details may change and/or additional information may become available. DVD playback after upgrading may require separate purchase of 3rd party software or Media Center. Refund limited to $15.00 USD only; not applicable to any additional upgrade costs including any DVD playback software. Refund offer available August 17, 2012 through February 2, 2013 from hp.com and participating resellers on qualifying HP products during the promotion period. See www.hp.com/go/Win8UpgradeRefund for complete details.
   
The promotion does not exist.

Not all features are available in all editions of Windows® 8. Systems may require upgraded and/or separately purchased hardware to take full advantage of Windows® 8 functionality.
See http://windows.microsoft.com/en-US/ for details.