Security update file name | For all supported 32-bit editions of Windows 8: Windows8-RT-KB3121212-x86.msu |
| For all supported x64-based editions of Windows 8: Windows8-RT-KB3121212-x64.msu |
| For all supported 32-bit editions of Windows 8.1: Windows8.1-KB3121212-x86.msu |
| For all supported x64-based editions of Windows 8.1: Windows8.1-KB3121212-x64.msu |
Installation switches | See Microsoft Knowledge Base Article 934307 |
Restart requirement | A system restart is required after you apply this security update. |
Removal information | To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates and select from the list of updates. |
File information | See Microsoft Knowledge Base Article 3121212 |
Registry key verification | Note A registry key does not exist to validate the presence of this update. |