# WEKA v4.0 documentation

Welcome to the WEKA documentation portal. First, select the version of your WEKA system from the top menu.

<figure><img src="https://661826007-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FuOB5D2WMRjXBnChPFTrk%2Fuploads%2FERGiwbIkSUC7veccnTHm%2Fversion_selector.gif?alt=media&#x26;token=0d22a437-5f75-47a7-8891-46d92588284e" alt=""><figcaption><p>WEKA version selector</p></figcaption></figure>

## About WEKA documentation

This portal contains all the documentation necessary for understanding and working with the WEKA system. It covers the following topics:

**WEKA system overview:** A review of the primary components, principles, and entities of every WEKA system.

**Getting started with WEKA:** A short guide on using the WEKA system, configuring a WEKA filesystem, and conducting tests to validate the system configuration.

**Planning and installation:** A detailed description of bare metal and AWS installation of the WEKA system until it is ready for operation.

**Performance:** A description and results of the FIO performance tests on the WEKA filesystem.

**WEKA filesystems & object stores:** A review of the role and management of filesystems, object store&#x73;**,** filesystem groups, and key-management systems in WEKA system configurations.

**Additional protocols:** Review other supported protocols, including NFS, SMB, and S3, for accessing data stored in a WEKA filesystem.

**Operation guide:** Description of various operations in the WEKA system, such as events, statistics, user management, upgrading, and more.

**Billing & licensing:** Presentation of WEKA system licensing and billing alternatives.

**WEKA support:** Provides information on getting support for the WEKA system.

## Documentation feedback

We strive to produce the highest-quality documentation products and welcome your feedback. If you have comments or suggestions about our documentation, email us.

With your feedback, include the following information:

* Document version and title of the topic
* Your suggestion for correcting or improving the documentation

Send your messages to <documentation@weka.io>.

The email address is only for documentation feedback. If you have a technical question, contact the [Customer Success Team](https://docs.weka.io/4.0/support/getting-support-for-your-weka-system).