#Firefox - uBlock Origin

New-Item -Path HKLM:\SOFTWARE\Policies\Mozilla\Firefox\Extensions\Install -force
New-ItemProperty -Path HKLM:\SOFTWARE\Policies\Mozilla\Firefox\Extensions\Install -Name "1" -Value "https://addons.mozilla.org/firefox/downloads/file/968516/ublock_origin-1.16.8-an+fx.xpi"  -PropertyType "String" -force

#Chrome - uBlock Origin

New-Item -Path HKLM:\SOFTWARE\Policies\Google\Chrome\ExtensionInstallForcelist -force
New-ItemProperty -Path HKLM:\SOFTWARE\Policies\Google\Chrome\ExtensionInstallForcelist -Name "1" -Value "cjpalhdlnbpafiamejdnhcphjbkeiagm"  -PropertyType "String" -force

#Edge - uBlock Origin

New-Item -Path HKLM:\Software\Policies\Microsoft\Edge\ExtensionInstallForcelist -force
New-ItemProperty -Path HKLM:\Software\Policies\Microsoft\Edge\ExtensionInstallForcelist -Name "1" -Value "odfafepnkmbhccpbejgmiehpchacaeak"  -PropertyType "String" -force