Windows Basics
Windows 10 System Settings Explained https://pureinfotech.com/windows-10-system-settings/
Windows Services: https://www.techuisitive.com/post/windows-administrator-basics-windows-services
Windows Registry Basics: http://www.thewindowsclub.com/windows-registry-basics
Event Viewer: https://www.howtogeek.com/school/using-windows-admin-tools-like-a-pro/lesson3/
Task Manager: https://www.howtogeek.com/school/using-windows-admin-tools-like-a-pro/lesson6/
Windows Administrative Tools: https://www.howtogeek.com/193922/21-windows-administrative-tools-explained/
Device Manager https://www.lifewire.com/device-manager-2625860
A Beginner Guide to Windows Command Line https://www.makeuseof.com/tag/a-beginners-guide-to-the-windows-command-line/
System and User Environment Variable in Windows – Explained https://www.thewindowsclub.com/system-user-environment-variables-windows
Problem Steps Recorder https://www.lifewire.com/using-windows-7-problem-steps-recorder-3506871
Windows Performance Monitoring Tool – PerfMon https://www.windowscentral.com/how-use-performance-monitor-windows-10
Windows Performance Counters: http://www.appadmintools.com/documents/windows-performance-counters-explained/
Troubleshoot Windows 10 Blue Screen of Death (BSOD) issue https://www.windowscentral.com/how-troubleshoot-blue-screen-errors-windows-10
Network Basics Understanding DNS – Beginner Guide to DNS http://www.steves-internet-guide.com/dns-guide-beginners/‘
Understanding IP v4 Addressing http://www.steves-internet-guide.com/ipv4-basics/
DHCP Basics https://www.thegeekstuff.com/2013/03/dhcp-basics