Click Insert
click Picture
click From File
select the desired picture and again click insert
right-click the picture
click Insert Caption
write the caption and add it
In terms of websites, there's a service called cloud flare which can prevent DDOS attacks in websites. Other applications you would have to look up. Hopefully this helps!
Explanation:
the main component of Windows when you start your computer are the desktop, my computer, recycle bin , start button, Taskbar and shortcuts to application after opening an application you will also have a Windows with an active application which will appear in your desktop and taskbar.
Er..... i do not know the answer to this