The MODI is a component of Sharepoint Designer 2007. You can directly download it from the following url and install directly with administrative privileges. 

 https://www.microsoft.com/en-us/download/details.aspx?id=21581  

During the installation, make sure you enable "Microsoft Office Document Imaging" as show below.

Click on the expand icon (+) next to ‘Microsoft Office Document Imaging’.

Right click on Scanning, OCR and Indexing service filter and click on 'run from my computer'.

Click on continue and then restart computer.