You should have Google Chrome browser installed. If not please download Google Chrome.
Then start Google Chrome browser and enter the website address to open the website.
Click the option as it shown in the following image to get the drop down menu. There select "More tools" option.
You will see the another drop down menu. Here click on "Add to desktop" option.
Following window will appear, there tick the "Open as window" if you want separate windows for desired website and keep tick blank if you want it in new tab and then Click on Add button.
Please go to desktop and see whether shortcut is appreared or not