Complete the following steps to download and install the latest OCR application software. You must have a Microsoft Windows 7 or above OS on the computer onto which you want to install the software. Installation Instructions: 1. Go to www.tek.com. 2. Click Downloads. In the Download menu, select Software as the DOWNLOAD TYPE, enter Optical Clock Recovery in the MODEL OR KEYWORD field, and click SEARCH. 3. Select the latest version of software and follow the instructions to download the application. 4. Double-click the executable and follow the on-screen instructions to install the application.