In Windows, you can search for applications, documents and Windows settings from the search located in the Windows task bar. Here's a screenshot of what it looks like in Windows 10:
There's a known issue with Windows 10 Nerdio desktops. The search does not return results consistently. There are times when you will not see any matching results even though the search term should have returned matching results. This issue does not occur on Windows 8.1 Nerdio desktops. We are working on addressing the issue. Unfortunately we do not have an estimated resolution date as we waiting on some updates from Microsoft.