Here’s a ready-to-post guide for installing the Creative SB1090 (Sound Blaster X-Fi Surround 5.1 Pro) driver on Windows 10.

Compatibility: Fully verified for Windows 10 and reported by users to work on Windows 11 as well. Troubleshooting Common Issues Driver - Creative Worldwide Support

• Use it if you want authentic hardware behavior for retro hardware experimentation and you have a spare machine or are comfortable with virtualization.
• Don’t use it if you need a reliable audio device for daily Windows 10 use—modern USB or PCI(e) audio interfaces are far superior.

Alternative Support: Some users utilize the Sound Blaster X-Fi Surround 5.1 Pro software (Version 1.00.09) which provides an enhanced UI and EQ presets for Windows 10. Source: Creative Software Package Installation Steps Download the .exe file from the Creative Support Portal. Connect your device to a USB port before running the installer. Run the downloaded file and follow the on-screen prompts. Restart your computer once the installation is complete. Troubleshooting Windows 10 Surround Sound

Setting up the Creative Sound Blaster X-Fi Surround 5.1 (SB1090)

Run Installer: Double-click the downloaded .exe file (e.g., XUHD_PCDRV_L11_1_02_0024.exe for HD variants).