If you really want to search in Windows 10, then File Explorer is the place to be. File Explorer contains a search box near its top-right corner.
When you click in the search box, a Search tab appears on the ribbon at the top of the window. This tab contains useful search parameters that you can use, such as searching by file type, size, or the last date the file was opened and modified. A Recent Searches drop-down menu is also available.
You can perform basic searches here, by just typing a word of name, or you can use Advanced Query Syntax ...