Now i found a guide:
1. Download or build your own digitalnoted (it is a part of DigitalNote console wallet:
https://github.com/xdn-project/digitalnote http://digitalnote.org/#download )
2. Start digitalnoted and wait until it sync with XDN network.
3. Start mining with pushing the following command: start_mining your_address number_of_threads
start_mining is a command
your_address - put your DigitalNote XDN address here to get a reward
number_of_threads - use Number of your CPU threads / 2 for best performance
4. To see your actual hashrate push the following command: show_hr