IP Subnet Calculatorhttps://www.calculator.net/ip-subnet-calculator.html  

https://lazyadmin.nl/office-365/whitelist-email-address-office-365/  

Please click to download the remote connection Remote Connection

Using Local Group PolicesWe are able to stop upgrading Windows 10 OS automaticaly upgrade to Windows 11 using Local Group Polices.Download the Instruction

Configuring your Orbi router as an access point allows you to use your Orbi router’s WiFi instead of the WiFi on your existing router. To set up your Orbi router as an access point: Use an Ethernet cable to connect the Internet port of your Orbi router to the LAN port...

Change IP on Windows Domain ControllerChange IP on the Windows Server https://www.youtube.com/watch?v=l4T73qEU_3w   Change IP address on Domain Controller https://www.youtube.com/watch?v=4R942B54cEE...