Changing OS Bitness: Windows OS license will activate both 32-bit and 64-bit versions. Please refer to Is a Windows 7 license key valid for both 32-bit and 64-bit?.
Downgrading Windows OS: If the controller is now sold with a newer version of Windows, but there exists an older PXI Platform Services version compatible with it and with the Windows version you are downgrading to, the controller can be downgraded and will work properly provided you install the appropriate version of PXI Platform Services and Peripheral Drivers.
Upgrading Windows OS:
Windows 10: Controllers installed with Windows 7 that have compatible chipsets for Windows 10 should be able to support Windows 10. To check what chipset your controller has, check the processor compatibility in Does My Intel® Processor Support Microsoft Windows® 10?. In general, NI does not provide support if you do choose to upgrade these controllers. Please call NI to determine if we support the upgrade for the controller. If you decide to do this, be sure to download the appropriate Windows Peripheral Driver from the link at the beginning of this article.
Professional and Enterprise Licenses: The specifications sheet for any given controller will denote the type of license it ships with. This is not something that can be changed upon shipping the controller. The end user is free to install their preferred version on the controller once it is in their possession.Recovery Disc Replacement: Recovery discs are sent out for specific controllers and Windows operating systems at purchase. NI cannot replace recovery discs if the CD is misplaced or harmed. You will have to return the device via RMA for NI to reinstall the OS that it was shipped with. Alternatively, you can purchase recovery media from NI as long as it is for the same OS your controller was sold with. Lastly, you can purchase a new license from Microsoft. If you are prompted to re-activate your Windows OS with a Product Registration Key, please follow the instructions in Windows Product Registration key for My NI Controller.Note: Recovery CDs are no longer sent out with Windows 10. All Windows 10 recovery information and images can be found online. Alternatively, you can purchase a Windows 10 IoT Enterprise USB Recovery Media For PXI (PN: 787269-03) from NI.Upgrading OS via Generic USB Recovery Media: While It is possible to upgrade your controller using the Generic Windows Recovery Media provided by Microsoft, it is not recommended or supported by NI. Upgrading in this manner will use the Upgrade Install as the Default Installation method whereas NI recommends and supports only a clean Installation for upgrading its controllers.
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A valid service agreement may be required, and support options vary by country.