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Windows 8.1 Upgrade: Purchasing for Personally Owned Windows Computers

Upgrade from Windows 7 to Windows 8.1.

Note: You are limited to one purchase of this software. You will receive an email from Kivuto OnTheHub after purchase is completed.

Only Windows operating system upgrades are available. You cannot purchase a full installation.


Microsoft Windows 8.1 upgrade purchase is available to:

  • UB Students who have paid the Comprehensive fee (free as a download)
  • UB Faculty who are paid by UB
  • UB Faculty Student Association employees
  • UB State employee (UUP, CSEA, MC, PEF)

You are entitled to only one upgrade, either 32-bit or 64-bit. Microsoft only provides a license to upgrade to Windows 8.1 under the UB Agreement. You must have a qualifying operating system on your computer to be eligible for an upgrade. All computers bought from major manufacturers are shipped with an operating system.  

Qualifying Operating Systems under the UB Agreement:

  • Apple Macintosh (for use with Boot Camp, Parallels, VMWare, etc.)
  • Windows 7 Basic or Home versions

Checking If Your Computer Is 32-bit or 64-bit

You cannot upgrade from a 32-bit version of Windows 7 to a 64-bit version of Windows 8.1.

Before you download Windows 8.1 upgrade, check your computer to see whether it is 32-bit or 64-bit, so that you download the correct version.

Purchase Windows 8.1 Upgrade from OnTheHub:

Installing Windows 8 on Your Macintosh

Building a New Computer

If you build a computer from scratch and it is not loaded with an operating system:

  • You are not allowed to use the UB Windows Upgrade to install Windows
  • You must buy a full version of Windows

Use of this product for system building is prohibited by Microsoft and UB. The Windows Upgrade product is required to be registered and activated to ensure it is legally obtained and installed.

Still need help?

Don't know your UBITName or password? Call 716-645-3542, visit one of our two walk-in locations, or send a message.

(xxx) xxx-xxxx
Use your email, if known