Pin a program in the task bar

If the option pin a shortcut in the taskbar is missing from the context menu
Go to the shortcut properties and add
C:\Windows\explorer.exe

Validate the modification and drag the shortcut to the taskbar with the mouse.

If the option pin a shortcut in the taskbar is missing from the context menu
Go to the shortcut properties and add
C:\Windows\explorer.exe
Validate the modification and drag the shortcut to the taskbar with the mouse.