For Order the product you need to follow some steps:
Step 1 :
Click the "Add to cart" button
Step 2 :
Click the "View My Cart" button
Step 3 :
Click the "Process to checkout" button
Step 4 :
You have to fill up billing and shipping address
Step 5 :
Finally if you want to pay by Bkash, then you need to select Bkash and add your "Bkash Number" and "Transaction ID" and click the "Place Order" button. Or if you want o pay on cash then you need to select "Cash on delivery " and click the "Place Order" button