Configure OS

Login ("Administrator"/"Admin123"). As we use VirtualBox, we have to press the right Ctrl button + Del

Select "Devices -> Insert Guest Additions CD Image". In the background, a "virtual cd" gets mounted.

Start the "Windows Explorer". You can see the "virtual cd" via the D:\ drive. Double-click on "VboxWindowsAdditions-amd64".

Read and comprehend all messages. Follow the installation steps and restart.

Login ("Administrator"/"Admin123"). Select "View -> Full-screen Mode".

Hooray, full screen! Start "Windows Explorer". Right-click on D:\ -> Eject (= "remove the virtual cd", Windows Explorer closes)

The shared folder "/home/guru/Downloads" is visible in "Windows Explorer" via drive-letter Z:

Right-click on the network icon on the bottom-right taskbar -> Open Network and Internet settings.

Select "Change adapter options".

Double-click on "Ethernet", select "Properties", double-click on "Internet Protocol Version 4 (TCP/IPv4) and enter the correct values.

Close all windows. Click "Start" and typ "cmd" to open a command prompt: verify the internet connection. The network icon on the bottom-right taskbar will soon change.

Right-click on "Start -> Settings" and select "Update & Security".

Install all available updates. Reboot when asked to. Repeat "Check for updates/installing updates" until no more updates are available.

As this is a lab environment, "disable" the automatic updates for now; click "Start", type "services.msc" and select the "Services" app. In the Services window, scroll down and locate the "Windows Update" service. Right-click on "Windows Update" and select "Properties" from the context menu. In the Properties window, under the "General" tab, locate the "Startup type" dropdown menu. Change the startup type to "Disabled". Click on "OK" to save the changes and close the window.

Let's do a final restart so all updates are properly installed.

Finally, "shutdown" Windows.