There are multiple ways to setup server where you will run your validator node. Here is a list of most preferred services.
MS Azure
Ankr
Digital Ocean
Build your server and use the following recommendations:
vCPU: 2RAM: 8 GigDisk space: between 50-100 Gig
For the users who are selected to join the Plasm Azure Validator Program , please follow the instructions made by pathrock.
or follow video by Kenzo Kobayashi,
https://www.youtube.com/watch?v=wZgIqAufyCE&t=236s
Ankr enables easy node hosting and validating services for Plasm Network on desktop and mobile.
Plasm Network is rolling out an integration with Ankr, your gateway to Web3, connecting consumers, developers, and enterprises to the new internet, in a few easy clicks. Read the full announcement.
Go to the Ankr website and create an account. Once your account is created, you can visit their market. Search for 'Plasm Testnet - Dusty' and click on 'Deploy'.
When your node is fully deployed and synced to the network, you can proceed with the following steps.
Skip the Install Node step and proceed to Configure node.
Follow the guides in this article:
https://medium.com/plasm-network/become-a-plasm-network-validator-c212085cc72e