# Go-Live checklist
source: https://developer.mastercard.com/unified-installments/documentation/experience-design-guide/pre-approved-offers-in-lender-app/prepare-to-launch/checklist/index.md

### Why a checklist? {#why-a-checklist}

We realize that the Experience Design Guide provides a lot of information for your teams to digest. By including a Go-Live checklist, we help you cover all the bases before launching to your customers.

## UNDERSTAND {#understand}

> Get a solid understanding of how the pre-approved offer in lender app works.  
>
> **How?**   
>
> Read our "[Introduction](https://developer.mastercard.com/unified-installments/documentation/experience-design-guide/index.md)" section and for deeper understanding refer to the
> [CX_Play Book.pdf](https://static.developer.mastercard.com/content/unified-installments/uploads/CX_Play%20Book.pdf) (4MB)

## DESIGN {#design}

> Get knowledge of the full end-to-end product experience by understanding how users flow through the app.  
>
> **How?**   
>
> Walk through the master "[Flow diagram](https://developer.mastercard.com/unified-installments/documentation/experience-design-guide/pre-approved-offers-in-lender-app/design/flow-diagram/index.md)" to see at a glance how the product flows.
> Get to know the "Moments that Matter" or the key points in the product journey for the user.   
>
> **How?**   
>
> Study the highlights in the [Product journey](https://developer.mastercard.com/unified-installments/documentation/experience-design-guide/pre-approved-offers-in-lender-app/moments-that-matter/index.md).
> Get familiar with our detailed user experience (UX) journeys.  
>
> **How?**   
>
> View the [UX journeys.](https://developer.mastercard.com/unified-installments/documentation/experience-design-guide/pre-approved-offers-in-lender-app/design/index.md)
> Get a refresher on how to support the Mastercard brand.  
>
> **How?**   
>
> Familiarize yourself with our brand [Implementation guide.](https://brand.mastercard.com/brandcenter.html)

## PREPARE FOR LAUNCH {#prepare-for-launch}

> Get guidance on setting up your pre-market consumer testing plan.  
>
> **How?**   
>
> Download and review our testing plan.
> [Installments_Testing Plan.pdf](https://static.developer.mastercard.com/content/unified-installments/uploads/Installments_Testing%20Plan.pdf) (89KB)

Next: [Resources](https://developer.mastercard.com/unified-installments/documentation/experience-design-guide/pre-approved-offers-in-lender-app/resources/index.md)