> ## Documentation Index
> Fetch the complete documentation index at: https://docs.flowx.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Install new services

> Step-by-step installation guide for new FlowX.AI 5.1.0 services

FlowX.AI 5.1.0 introduces two new services:

1. **Authorization System (CAS)** - Centralized authorization and permission management
2. **NoSQL DB Runner** - The NoSQL DB Runner is a backend microservice that powers FlowX.AI Database functionality. It provides MongoDB and Azure Cosmos DB operations support for FlowX.AI Database collections and handles data persistence operations across FlowX.AI processes.

<Card title="authorization-system" href="../../../../../5.1/setup-guides/authorization-setup-guide" icon="scroll" />

<Card title="nosql-db-runner" href="../../../../../5.1/setup-guides/nosql-db-runner" icon="scroll" />


## Related topics

- [Install new services](/release-notes/v5.x/v5.0.0-july-2025/migrating-from-v4.7.x-to-5.0/install-services.md)
- [Prerequisites](/release-notes/v5.x/v5.1.x-lts/v5.1.0-october-2025/migrating-from-v4.7.x-to-5.1/prerequisites.md)
- [Overview](/release-notes/v5.x/v5.1.x-lts/v5.1.0-october-2025/migrating-from-v4.7.x-to-5.1/migration-overview.md)