What is the installed program "Windows Live Essentials" on my Windows 8 computer? Why it is not visible in Control Panel?

"Windows Live Essentials" is an installed program on Windows 8 system managed by Windows Installer.

You will not see "Windows Live Essentials" listed on "uninstall or change a program" in Control Panel, because it is flagged as a hidden system component in the registry (SystemComponent=1).

Information related to "Windows Live Essentials" installed program:

Name: Windows Live Essentials
Publisher: Microsoft Corporation
Size: 212 KB
Version: 16.4.3503.0728
System Component: 1
Identifying Number: {46316411-80D8-4F68-8118-696E05FCE199}
Install Location: 
Install Source: C:\Program Files (x86)\Common Files\Windows Live\.cache\a0326e131cdcc7e14\
Install Date: 20121127
Local Package: C:\Windows\Installer\4f473.msi
Package Name: WLXSuiteLang.msi
Uninstall Command: MsiExec.exe /I{46316411-80D8-4F68-8118-696E05FCE199}
Windows Installer: Yes

It is recommended to keep "Windows Live Essentials" as an installed program.

⇒ "Windows Live Installer" Installed Program on Windows 8

⇐ "Windows Live Communications Platform" Installed Program on Windows 8

⇑ Hidden Installed Programs using Windows Installer on Windows 8

⇑⇑ Windows 8 Installed Programs