Typically, I would use wget in glu/linux, however if you have to use windows you can use the following in powershell: Invoke-WebRequest http://www.google.com/ -OutFile c:\google.html

To scrap a website that doesn't have an API, I would suggest using python's BeautifulSoup. The following video is a really good tutorial on how to use it. https://www.youtube.com/watch?v=ng2o98k983k