The script is available for download from http://gallery.technet.microsoft.com/How-to-get-index-usage-0c34ba21. You can also use Microsoft Script Browser for Windows PowerShell ISE to download the sample with one button click from within your scripting environment.
This PowerShell script will demo how to find all the user_seek, user_scans, user_lookups, user_updates information in the user tables from the last time SQL Server starts.
Some people ask how to find indexes usage from the last time SQL Server starts. This script will demo how to find all the indexes usage numbers and last time of usage.
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery