In order to connect to our new recently launched test network, you will need to simply do these steps:

This new testnet also have additional services, that will help to work with blockchain:

Fill the following application form to receive test assets for NEO Testnet.
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The faucet provides 1000 NEO and 1000 Gas for one NEO address and one IP address every 24 hours
Instructions for setup of NEO Testnet client