Please go to: https://www.kaspersky.com.au/downloads/thank-you/internet-security And the click “Download Now” (Please note that, you need to click the Download Link for either windows or Mac or any other operating system by just scrolling down)
Click the Save file button (Note: different web browser may shown this dialog box differently please save or run the file ) and then run it by double clicking and then follow the prompt like these below images.
