# Accelerator Installation and Upgrades This section contains information on the installation and upgrade procedures for ASEA. - Installation - [Installation Guide](../installation/install.md) - [Sample Configurations and Customization](../installation/customization-index.md) - [State Machine Behavior](../installation/sm_inputs.md) - [Splitting the Config File](../installation/multi-file-config-capabilities.md) - [Considerations with Existing Organizations](../installation/existing-orgs.md) - [Importing ALZ Accounts](../operations/operations-import-ALZAccount.md) - [Open Releases](https://github.com/aws-samples/aws-secure-environment-accelerator/releases) - Upgrades - [Upgrade Guide](../installation/upgrades.md) - [v1.5.0 Upgrade Instructions](../installation/v150-Upgrade.md) - Functionality - [Services](../installation/services-list.md) - [Pricing](../pricing/sample_pricing.md) - [Architecture Diagrams](../architectures/sensitive/diagrams.md) - [Key Account & Capability Overview](../installation/what-we-do-where.md) - [Centralized Logging Details](../installation/log-file-locations.md) - [Accelerator Object Naming](../installation/object-naming.md) - [Open Roadmap](https://github.com/aws-samples/aws-secure-environment-accelerator/projects/1)