But, somehow Picture Manager are not available in Microsoft Office 2013. Don't worry, i will provide a guide about how to install picture manager in office 2013, especially since you will not find this application installer, as for this application always included in the Office Bundling before.
First run Microsoft Office application installer, you can use the installer of Microsoft Office 2003, 2007 or 2010. Run and then click the Customize button as seen in the image below:
And then, on Microsoft Office Picture Manager menu, click Run from My Computer.
Make sure you see a screen similar to the picture below to ensure that only the applications of Microsoft Office Picture Manager to be installed by the system. Once it's okay, click the Install Now button.
Microsoft Office 2013 product key free to make it full version. While many users still need picture manager, i don't know why Microsoft remove this apps from Microsoft Office 2013 latest bundling.