Thanks for the software. When installing it shows the welcome screen in the right panel.
Search steps:
1. Enter any phrase you want to search in the search box on the left;
2. Click the “Go” button on the left, or press Enter to start, the resarch results will be presented immediately;
3. Click the “+” button on the left to filter the search directory and file types.
Note the mistake on line 2 in bold. Should be search