My Esri contains the software downloads and authorization numbers necessary for you to install and activate your product.
To start, you will need to download your product by navigating to My Organizations tab and clicking the Downloads sub tab. The Downloads page will then show the list of software downloads that you are eligible to install along with the installation guides that you can reference.
Once you have downloaded and installed your product, you will need an authorization number or provisioning file to activate product. These pages are also located within the Licensing sub tab of the My Organizations tab.