# Serotonin Handbook

{% hint style="info" %}
[**Serotonin**](https://serotonin.best/) runs only on [**Windows**](#user-content-fn-1)[^1] and functions as an [**external**](#user-content-fn-2)[^2], not as an [**executor**](#user-content-fn-3)[^3]*,* and is [**undetected**](#user-content-fn-4)[^4].
{% endhint %}

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<table data-card-size="large" data-column-title-hidden data-view="cards"><thead><tr><th></th><th data-type="content-ref"></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>Let's Get Started!</td><td><a href="getting-started">getting-started</a></td><td>Guide to purchasing, redeeming, and downloading with step-by-step instructions.</td><td><a href="getting-started">getting-started</a></td></tr><tr><td>Get Assistance With Setting Up!</td><td><a href="setting-up">setting-up</a></td><td>Guide on downloading prerequisites, logging in, and loading Serotonin for use.</td><td><a href="setting-up">setting-up</a></td></tr><tr><td>Trouble With Using Serotonin?</td><td><a href="using-serotonin">using-serotonin</a></td><td>Guide to operating all of Serotonin.</td><td><a href="using-serotonin">using-serotonin</a></td></tr><tr><td>Need Help Resolving Errors?</td><td><a href="resolving-errors">resolving-errors</a></td><td>Guide that helps resolve issues by providing step-by-step solutions for common and complex errors.</td><td><a href="resolving-errors">resolving-errors</a></td></tr></tbody></table>

***

[^1]: <mark style="color:$info;">A Microsoft operating system for PCs.</mark>

[^2]: <mark style="color:$info;">Standalone program that interacts with another application from the outside, without injecting within it.</mark>

[^3]: <mark style="color:$info;">Standalone program that injects and runs scripts directly inside the Roblox game client, allowing code to execute within the game’s environment.</mark>

[^4]: <mark style="color:$info;">Bypasses</mark> [<mark style="color:$info;">**Byfron**</mark>](#user-content-fn-5)\[^5]<mark style="color:$info;">, running without being flagged or blocked.</mark>


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