Block Windows Update - Mikrotik Script
How To Block Windows Update in Mikrotik / Block Windows 7,8,10 Update

/ip firewall raw
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=windowsupdate.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=download.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=test.stats.update.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=ntservicepack.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=*.download.windowsupdate.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=*.update.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=download.windowsupdate.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=*.windowsupdate.microsoft.com

or

/ip firewall filter
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=windowsupdate.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=download.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=test.stats.update.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=ntservicepack.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=*.download.windowsupdate.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=*.update.microsoft.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=download.windowsupdate.com
add action=drop chain=prerouting comment="Blok Windows Update" protocol=tcp tls-host=*.windowsupdate.microsoft.com

source: https://labkom.co.id