---
sourceDocument: Yokohama Build or modify applications
sourceDocumentLink: https://www.servicenow.com/docs/r/yokohama/application-development

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Get a development instance

# Get a development instance {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Request a personal development instance to build and test applications.

## Before you begin

Role required: none

## About this task

Get a free ServiceNow personal developer instance (PDI). Build applications within a sandbox to test application builders and deployment strategies.

## Procedure

1. Navigate to the [Developer Site](https://developer.servicenow.com/) in your browser.
2. Select Sign In or Sign up and Start Building if you do not have a ServiceNow developer account.
3. After logging into the ServiceNow Developer Site, select Guides.
4. Select Guides Overview.
5. Select Personal Developer Instance (PDI) Guide in the side navigation.
6. Follow the instructions to obtain your personal developer instance.