> For the complete documentation index, see [llms.txt](https://docs.climateclock.world/climate-clock-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.climateclock.world/climate-clock-docs/portable-clock-user-manual/quick-start.md).

# QUICK START

Please find the instructions below for your Action Clock version. If you're unsure please reference the image.

{% content-ref url="/pages/v4jtMqojyh2P9RVxt66z" %}
[Action Clock Fourth Generation (gen4)](/climate-clock-docs/portable-clock-user-manual/action-clock-fourth-generation-gen4.md)
{% endcontent-ref %}

{% content-ref url="/pages/-McuPobQoh-Vkez1Lddu" %}
[gen1/gen2 Getting Started](/climate-clock-docs/portable-clock-user-manual/getting-started.md)
{% endcontent-ref %}

## v4= gen4       v1/2 = gen1/gen2

<figure><img src="/files/H2PSWbKkJT4AUySytUgx" alt=""><figcaption></figcaption></figure>