Give your search a name and upload your bulk search CSV file.
Enter a name for your bulk search in Unique name.
This name must be unique to all bulk searches not just yours.
Drag and drop or browse for your CSV file in file upload.
When creating your CSV the first column must always be the Search Name. It must have the title "Search Name" or it will fail to upload. You can arrange the rest of the file as you need.
If you select browse it will open your file browser. You can then select the file you need.
Select Continue to Map Fields