Here is how to customize the invoice system to your company or brand with your business logo, payment gateway and more

1. From the left panel click Settings 
2. Select General tab from top menu if you are another tab
3. Fill all the boxes there with your business/brand/company information. 
4. Add your brand logo and favicon
5. Click save when you are done. 

How to setup your currency 

1. From the left panel click Settings 
2. Select Currency tab from top menu
3. The default currency there is Nigeria naira, if that's not your currency 
4. Click Add Currency 
5. 
6. Fill the boxed and click save

How to setup your payment gateway

1. From the left panel click Settings 
2. Select Payment Gateway tab from top menu. 
3. For Stripe visit [ https://stripe.com/payments ]
4. For Paypal visit [ https://www.paypal.com/us/webapps/mpp/payflow-payment-gateway ]
5. For Paystack visit [ https://dashboard.paystack.com/#/signup ]
6. Follow the instruction form their page
7. Once you are done, click save.
8. That's all

How to setup your invoice 

1. From the left panel click Settings 
2. Select Invoice Settings tab from top menu.
3. Fill the box if you think they are needed
4. Click save when you are done.