From your Shopify admin, go to Customers.
Click Segments.
Click Create Segment.
Add filters using the text editor or click the Filters icon, and then do either of the following:
Click a filter name. The filter name is displayed in the editor.
Click an operator.
Click or type a value.
To add another filter, click a connector, and then click another filter name, operator, and value.
To test your segment, click Apply filter. The customers who match the criteria are listed below the editor. The number of customers who match the criteria displays above the editor.
Review the segment in the Shopify Magic section to ensure that the description matches the segment that you want to create, and then make any necessary changes.
Click Save segment, and then enter a name for the segment.
Click Save.