This article provides a consolidated reference for NI Field Upgrade Kits used to install or upgrade Windows operating systems on PXI/PXIe controllers.
Use this guide to:
• Identify the correct Field Upgrade Kit for your controller
• Understand supported Windows versions
• Follow a unified installation procedure
The table below summarizes the currently active Field Upgrade Kits:
| Field Upgrade Kit PN | Windows Version Installed | Compatible Controllers | Notes |
| 790578-03 | Windows 10 IoT LTSC 21H2 | PXIe-8861, PXIe-8881, PXIe-8822, PXIe-8842, PXIe-8862 | Recommended Windows 10 LTSC kit |
| 789534-03 | Windows 11 IoT LTSC 24H2 | PXIe-8881 | Requires TPM 2.0 support |
| 790763-03 | Windows 11 IoT LTSC 24H2 | PXIe-8822, PXIe-8842, PXIe-8862 | Requires TPM 2.0 support |
| 787535-03 | Windows 10 IoT GAC 22H2 | PXI-8840, PXIe-8821, PXIe-8840, PXIe-8880 | Legacy kit |