I don't know how to add a scrollbar to this window. Here's the code:
def winHelp():
winHelp = tk.Tk()
winHelp.geometry("700x700")
winHelp.title("Help")
line1label = tk.Label(winHelp, text="Radioactive Decay Calculator: \n")
There will be some text here that will fill up the window:
line1label.grid(row=0)
line1label.config(justify=LEFT)