How to turn off Windows Defender on Windows Home with no group policy.

Dan
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Hi, I'm looking for a way to turn off Windows Defender Firewall on a Windows 10 Home computer.  I can do it on Pro machines with group policy, but I can't figure it out in Home.
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JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
I think Defender is top notch, so consider that.

Otherwise on a local machine try the following

Turn off Windows Defender in Group Policy Editor (gpedit.msc) and restart the computer after the steps below.

Group Policy Editor:
Computer configuration -> Administrative Templates -> Windows Components -> Windows Defender
Turn off Windows Defender  (set to Enabled)

Computer configuration -> Administrative Templates -> Windows Components -> Windows Defender
 -> Real-time protection
Turn off Real Time Protection (set to Enabled)

This uses gpedit.msc and if that is not available on Home, you may need to upgrade to Pro.
RobertSystem Admin

Commented:
I have not personally tried Home edition but if you cant do via gpedit you may be able to try just creating the registry key to disable it.
HKLM\SOFTWARE\Policies\Microsoft\Windows Defender
DisableAntiSpyware key is what your looking for if it isn't there by default you can create it and set the value to 1 and that should disable it.
Then reboot the machine.
However if you install a 3rd party AV it should automatically detect that and disable it's self.
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
If you need to use the Registry, you should look at the settings above and ascertain the registry settings on a Pro machine. I think there is more than one setting.
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Author

Commented:
thanks Ill try that now.

Author

Commented:
John I think there is more than one also.

Robert, that almost worked, it shut off defender AV service, but Firewall and defender security center service are still going, is there a reg thing to loose those?
System Admin
Commented:
You can disable the firewall through the control panel.
however if you want to do it through registry (set to 0 for disable)
HKLM\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile EnableFirewall
HKLM\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile EnableFirewall

As for the security center there is no way that I know of that you can actually turn that off but you can turn the notifications off.

Author

Commented:
great, is there a  reg thing to turn off notifications?
Most Valuable Expert 2013
Commented:
To switch off the Security Center service

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SecurityHealthService

Change the "Start" value from 2 to 4

All the other registry tweaks including those Robert has already listed can be found here
https://www.wintips.org/how-to-disable-defender-antivirus-firewall-in-windows-10/

Useful when you're dealing with Home and gpedit won't work.

Author

Commented:
Thanks guys, that rocks

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