# Upgrade Guide

If you wish to get started and install the **coherence** Unity SDK, please refer to the [installation](https://docs.coherence.io/1.2/get-started/install-coherence) page.

## Upgrading to a new version

Open *Unity Package Manager* under *Window > Package Manager* and check the *Packages - coherence* section. It will state the currently installed version and if there are any recommended updates available:

<figure><img src="https://content.gitbook.com/content/naCaDgmbFRSw0e7nxNNK/blobs/1lkFOTlmtTmCGN9vdLlU/01%20Package%20Manager.png" alt=""><figcaption><p>Unity Package Manager showing coherence installation</p></figcaption></figure>

### Upgrade Guides

{% hint style="warning" %}
When upgrading **coherence**, please do it one major or minor version at a time (considering semantic versioning, so MAJOR.MINOR.PATCH).
{% endhint %}

For example, if your project is on 0.7 and would like to upgrade to 1.0, upgrade from 0.7 to 0.8, then from 0.8 to 0.9, and so on. Always back up your project before upgrading, to avoid any risk of losing your data.

Versions prior to **0.9** are considered **legacy**. We don't provide a detailed upgrade guide for those versions.

{% hint style="success" %}
Refer to the specific upgrade guides provided as subsections of this article.
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{% hint style="info" %}
Refer to the [troubleshooting](https://docs.coherence.io/1.2/known-issues-and-troubleshooting) section at any time to find solutions to issues found during or after upgrading.
{% endhint %}