You can take the following steps to upgrade Amazing Slider to the latest version:

1. If you have lost your activation code, you can resend it at https://amazingslider.com/sendcode/.

2. Download the Amazing Slider latest version at https://amazingslider.com/downloads/.

3. Install the software on your computer.

If you are installing the software on the same computer, the new version will find the registration information saved by the old version and register itself.

If you are installing the software on a new computer, you need to uninstall the software from your old computer firstly.