# Overview **'In-World'** refers to anything happening inside Decentraland's virtual world—this is where the magic happens! ![](/files/rkPuE8OKMXtco8SJZZwC) Decentraland's main landmass, Genesis City. ## **How to Jump Into Decentraland** To enter the virtual world, download Decentraland on your device of choice: * [Desktop app](https://decentraland.org/download/) — for Windows and macOS. * [Mobile app](/mobile-app/mobile-app.md) — for iOS and Android. Once you've installed it and logged into your Decentraland account, you can start exploring Decentraland's Genesis City (pictured above), and it's archipelago of off-map Worlds. The same account, avatar, and inventory work across every client. ## Genesis City vs. Worlds: Decentraland's Landscape Explained **Genesis City** is the main landmass of Decentraland, visible on the virtual world's map. It's made up of thousands of community-owned LAND parcels, each 16m x 16m in size, and traded in [Decentraland's Marketplace](https://decentraland.org/marketplace/lands). As the city is laid out in a massive, four-quadrant grid, each parcel is referenced by a set of coordinates—at the very center (0,0), lies Decentraland's default spawn point: Genesis Plaza. Despite being a patchwork of individually-owned parcels, Genesis City is unique in its openness and traversability. If you're looking for an adventure, just take a walk across the map—there's always something new to discover from Decentraland's global community! In contrast to Genesis City LAND parcels, **Worlds** are more intimate virtual spaces, like personal islands located off the Decentraland map. While you can't walk to them, you can teleport to a World if you know its name or have an invite link. Unlock your own World by [getting a Decentraland NAME](https://decentraland.org/marketplace/names/claim). It's your space to use as you wish—set it as private or public, host events, or practice your building skills. Learn more about NAMEs [here](/faqs/decentraland-101.md#what-is-a-name). Learn more about how to explore and navigate Decentraland [**here**](/in-world/exploring.md). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.decentraland.org/in-world/overview.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.