> For the complete documentation index, see [llms.txt](https://docs.realio.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.realio.network/mainnet/setup.md).

# Setup

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**REQUIRES REALIO-NETWORKD EXECUTABLE**\
To join the mainet you **must** have [`realio-networkd` installed](<https://docs.realio.network/running-a-full-node >).
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To become a testnet validator, these instructions apply:

1. [Create a full node](/running-a-full-node/setup.md)
2. [Become a validator](/validators/setup.md)

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**TIP**\
Always verify the genesis sha256 checksum, the binary version, the chain-id, before starting your node.
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