Cortana is a virtual assistant provided by Microsoft Windows 10 operating system. It provides speech recognition where we can ask questions or give commands to the windows like When does summer begin
or What gate is Delta flight 35 arriving at?
etc. Microsoft does not want to disable Cortana by us and makes is harder. But we can disable Cortana for Windows 10 in different ways where we will examine these ways in this tutorial.

Hide Cortana Icon From Menu Bar
Cortana can be accessed from the menu bar with a circle icon which is depicted in the previous screenshot. We can hide the Cortana icon from the menu bar with the following steps. Right click to the menu bar -> Cortana
->Hidden
. As we can the default option is Show Cortana Icon
. We will click to the Hidden
like below.

Disable Cortana From Registry
Cortana can be disabled cruelly from the registry. We will open the registry editor from the Start Menu
like below. We will rite down Registry Editor
or regedit
.

We will see the following screen which is named Registry Editor
to manage windows registry configuration.

Navigate to the following registry key.
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Windows Search
If the Windows Search
does not exist create a Windows Search
folder by right click

The newly created Windows Search
will look like below.

We will create a new value named AllowCortana
which type is DWORD(32 Bit)
inside Windows Search
folder. Then we will set the AllowCortana
value to the 0 which means disable Cortana.

We can see the create value below which type is DWORD(32 Bit) and value is set to 0
.

Disable Cortana From Group Policy
If you are using the Windows 10 Professional or Enterprise we can also use Group Policy Editor in order to disable the Cortana. Group Policies are used to manage Windows configuration for multiple computers and user groups. Local group policy is used to set Local configuration of the current system. We will open Local Group Policy Editor from the Start menu
or Run
like below by using gpedit.msc
command.

We will see a window like below. We need to navigate to the Allow Cortana
setting with these steps. Computer Configuration
->Administrative Templates
->Windows Components
->Search
. Then we will double click to the Allow Cortana
configuration from the right pane like below.

We will see the following Allow Cortana
configuration. We have 3 options where Not Configured
, Enabled
and Disabled
. We will select the Disabled
and click to the Apply
.

Disable Cortana From Windows Settings
Windows 10 provides the Windows Settings
configuration panel which can be also used to disable Cortana. We will open Windows Settings
with the Win+I
keyboard shortcut.

We will see the following screen where some basic Cortana configuration can be done. We can disable Cortana Hey Cortana
respond interaction like below. By changing Off
we will disable Cortana respond.

Remove Cortana Data
During the usage of the Cortana, some speech and search data will be stored locally. This historical activity data can be removed from the `Cortana Permission&History configuration like below.
