Installers: Installers for ArcGIS Desktop can be found on the ESRI Customer Care Portal under My Organizations > Downloads. You will need to log in using your ESRI account. Instructions for installing ArcGIS Desktop and activating your single-use license: Download the installation file named ArcGIS_Desktop_xx.exe from the ESRI Customer Care Portal under My Organizations > Downloads. This file is large (around 800MB), so it may take some time for the download to complete. Once the download is complete, double-click on the install file (named something like ArcGIS_Desktop_xx.exe) and extract it. You’ll then be prompted to choose a folder on your PC into which the installation package will be saved. Launch the file named setup.exe from the newly created ArcGIS 10.x > Desktop folder if the installer program did not launch automatically. Follow the instructions in the install wizard. When the installation is completed, the registration manager should launch automatically. If it does not, you can manually launch it by clicking Start Menu > Programs > ArcGIS > ArcGIS Administrator. Upon entering the registration process, the wizard will instruct you to select a product, choose ArcGIS for Desktop Basic (ArcView) Single Use, and click Authorize Now. The Software Authorization Wizard guides you through the rest of the authorization process. Check I have installed my software and need to authorize it for the authorization option and click Next. Check Authorize with Esri using the Internet for the authorization method and click Next. Complete the required fields for the authorization information by clicking Next on both pages. Enter the software authorization number you have been provided by email and click Next. (the single-use registration code should begin with the letters ESU Check I do not wish to authorize any extensions. You are now authorized for use.