The “Update Purchase” button on the Pizzster Modding website is used to re- download or refresh your purchased mod files whenever a new version of that mod is released. It doesn’t charge you again—it simply gives you access to the latest update for something you already bought.

How it works in practice

When you buy a mod (like the Pizzster 389 Peterbilt megapack, trailers, etc.) from Pizzster Modding, your purchase is tied to your account on their site. Over time, the mod authors release updates: bug fixes, new parts, performance improvements, compatibility with new ATS versions, etc.

On your account/purchase page, each product you own typically has options like:

  • Download – get the current version of the mod
  • Update Purchase – re-download the latest updated version of that same purchase

So if you click Update Purchase , the site:

  1. Checks that you already own that product.
  2. Pulls the newest version tied to that product.
  3. Lets you download the updated files again (or sometimes directly triggers the download).

You do not pay anything extra when using “Update Purchase”; it’s just their way of labeling “get the latest update for this purchase.”

Why it exists (and why people ask about it)

A few reasons this button shows up and causes questions:

  • Version updates are frequent : Mods like the Pizzster 389 get major updates (e.g., “Pizzster 389 Update” with new cabs, chassis, lights, interiors, etc.).
  • Old download links can get outdated : If you downloaded months ago, your local files might be an old version. The “Update Purchase” button ensures you’re grabbing the current one.
  • Confusion with “buy again” : The wording can make some users think it’s a second purchase, but community tutorials and support channels treat it as “get the updated files for what you already own.”

If you’re unsure whether your mod is up to date, the usual workflow is:

  1. Log into your Pizzster Modding account.
  2. Go to your purchases / “My Downloads” area.
  3. For each mod, if there’s an Update Purchase option, click it to re-download the latest version.
  4. Replace the old .scs mod files in your American Truck Simulator mod folder with the new ones.

Where to get help if it’s not clear

If the button behaves oddly (doesn’t download, shows errors, etc.), Pizzster Modding recommends:

  • Joining their Discord and using the support channels (often fastest).
  • Using the live chat on their site, which goes to their Facebook messenger.
  • Messaging their Facebook page directly.

They also have an FAQ section that covers common issues like missing keys and MODGuard, which is relevant if you’re dealing with older key-based mods versus newer protected ones.

TL;DR: The “Update Purchase” button on the Pizzster Modding site is just a “re-download the latest version of this mod I already bought” button. It does not charge you again; it ensures you get the most recent update for your purchased mod.

Information gathered from public forums or data available on the internet and portrayed here.