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- From the Navigation panel click Inventory then click on Products.
- Search for the product required
- Click on the General tab from the product then click on Associated Products tab
- Click on New
Product Association box will appear
Expand title Show me 
- Select the associated product that your require
- Then select the Association type examples of usage:
- Add Free Product- If you buy a notepad you will get a pen for free
- Add Paid Product- When you purchase an item a related item is asked to be purchased. E.g: you buy a bbq set a gas cylinder will be added to purchase
- Cross Sell- A chair is being purchased there is a cushion that comes with it if customer wants to purchase
- Related- A printer can have a related toner
- Replace- An item has been superseded, you can still purchase it, there is an item that is replaced for it.
- Enter the quantity for free product- This field shows the quantity that must be purchased to qualify for a free product. E.g: Buy 2 get 1 free offer, this field would be set to 2.
- Enter the quantity of free products- This field shows the number of free products that the customer will receive. E.g: Buy 2 get 1 free offer, this field would be set to 1
- Enter the free product cap- This is the maximum number of free products that a customer can receive per transaction. This is only valid for 'Add (Free products)' associations.
- Click on Save and Close once completed