Yes, using tools like NTLite or MSMG Toolkit. However, be aware that slipstreaming an unsigned or non-catalog update may break Windows Setup or cause sysprep to fail. Always test in a VM first.

For 99% of users reading this article, the correct course of action is to close this page and run a standard sfc /scannow and Windows Update on your Windows 7 system. The remaining 1% – the hardware engineers, the retro PC enthusiasts, the industrial automation specialists – already know the risks. Proceed wisely.

: This is a "Fatal error during installation" often resolved by using the Microsoft .NET Framework Repair Tool to clean up previous failed attempts.

: Some users have reported that this update may show up without a publisher name in the "Installed Updates" list. This is typically normal for this specific legacy update, though Microsoft recommends keeping it installed for application compatibility. KB4489885 - Microsoft Update Catalog

If no hash matches, download the file to a sandboxed Windows virtual machine first for testing.

If you download and force-install Windows6.1-kb958-488-v6001-x64.msu from an untrusted source:

systeminfo | findstr /i "KB958"