What is the installed program "SQL Server Management Studio" on my Windows 7 computer? Why it is not visible in Control Panel?

"SQL Server Management Studio" is an installed program on Windows 7 system managed by Windows Installer.

You will not see "SQL Server Management Studio" 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 "SQL Server Management Studio" installed program:

Name: SQL Server Management Studio
Publisher: Microsoft Corporation
Size: 4664 KB
Version: 14.0.17213.0
System Component: Yes
Identifying Number: {1B8CFC46-1F08-4DA7-9FEA-E1F523FBD67F}
Install Location: 
Install Source: C:\ProgramData\Package Cache\{1B8CFC46-1F08-4DA7-9FEA-E1F523FBD67F}v14.0.17213.0\x64\
Install Date: 20171221
Local Package: C:\windows\Installer\5256e639.msi
Package Name: sql_ssms_loc.msi
Uninstall Command: MsiExec.exe /I{1B8CFC46-1F08-4DA7-9FEA-E1F523FBD67F}
Windows Installer: Yes

It is recommended to keep "SQL Server Management Studio" as an installed program.

⇒ "SQL Server Management Studio for Analysis Services" Installed Program on Windows 7

⇐ "SQL Server 2017 Shared Management Objects Extensions" Installed Program on Windows 7

⇑ Hidden Installed Programs using Windows Installer on Windows 7

⇑⇑ Windows 7 Installed Programs