Hi, I am glad that you like the software so much
You cannot save the price data for an individual chart. However, you could just make a screenshot (Alt + Prt Screen key) and save that as a graphic file, to look at the chart later (in a graphics program such as Windows Paint).
You can save the chart layout as a chart layout file, in order to easily use the same layout / indicators on charts in the future. Go to the menu in the chart and you will find that option.