1. Download the order receipt.html and order invoice.html files through this link http://download.shopfactory.com/support/invoice-receipt.zip

2. Then, open your ShopFactory installation folder, by default, it is on C:Program Files

3. Open Sales Manager folder

4.   Open Template folder

5. Create a new folder and name it “User”

6. Then copy the order invoice.html orderreceipt.html and paste on this folder

You should be able to see Tax Invoice and Tax Receipt now in the header of your Invoice and Receipt respectively.