
1 Click on the Product Slider→ Settings menu.
2 Then Click on the Product Slider Settings→ Upsell.
3 Turn On Upsell Product Slider.
4 And then click on→ Save.
5 Click on the Products menu.
6 Then Click on the Edit.
7 Click on the Linked Products.
8 Search for a product by entering 3 or more characters.
9 Then Click on the Update.