The following tutorial shows the process of downloading Origin version 9.1. These instructions work if you already have an OriginLab account (from installing a previous version of Origin, like Version 8.6).
You may uninstall any previous version of Origin manually.
If you already have an OriginLab account (from installing a previous version of Origin) you can log in and download version 9.1 from there.
Note: Otherwise if you have not already installed an earlier version, click on Create an account. When extraction is complete, open the new OriginINSTALL folder and run the install or setup program.
Clicking Ok opens up a web page on the OriginLab site, where your license will be generated based on your computer name and ID.
If the web browser covers up the Origin Enter License window. move the browser aside enough so that you can see both.
In the web browser, type in the Access Code and your email, then click Submit.
Note: The new Access Code for version 9.1 is 798993.