1. wget https://github.com/WebDollar/Node-WebDollar/archive/POS90.zip
2. unzip POS90.zip
3. cd Node-WebDollar-POS90
4. wget http://romeonet.ro/transfer/blockchainDB3.zip
5. unzip blockchainDB3.zip
6. sudo npm install
7. cd src/node/sockets/node-clients/service/discovery/fallbacks/
8. rm fallback_nodes_list.js
9. wget http://romeonet.ro/transfer/fallback_nodes_list.js
10. cd .. (until you return to the root folder Node-WebDollar-POS90)
11. cd src/consts/
12. rm const_global.js
13. wget http://romeonet.ro/transfer/const_global.js
14. cd .. (until you return to the root folder Node-WebDollar-POS90)
15. npm run commands
16. import wallet – 4
17. set mining wallet – 7 (pick 1)
18. set password for mining address, if it is password protected – 30
19. run solo mining – 8
20. run poll mining – 10 (use next pool test)
21. 1/pos90test/0.01/262478de69d1dfbdf4f0b6e80e0c130ee7d304c4522c81b1151530fe2cad3ee6/https:$$pos90.duckdns.org:8080
22. bash build-argon2.sh or ./build-argon2.sh (for activating argon2 cpu-cpp miner)
23. npm run commands
24. run solo or pool.

TEST POOL:

1/pos90test/0.01/262478de69d1dfbdf4f0b6e80e0c130ee7d304c4522c81b1151530fe2cad3ee6/https:$$pos90.duckdns.org:8080

Test Pool Tracker:

http://www.webdpools.com/90/

https://xoip.ro/wd/stats/show-pool-miners.php

Block Tracker for analysis:

https://xoip.ro/wd/stats/report.php

https://xoip.ro/wd/stats/show-nodes-current-blocks.php

TEST Blockchain Explorer

http://62.171.171.228:10001/#/

wget http://romeonet.go.ro/blockchainDB3.zip

wget https://www.vitezainternet.ro/blockchainDB3.zip

If not installed Node.js:
apt install unzip
sudo apt-get update
sudo apt-get install nodejs
sudo apt-get install npm
sudo npm install

node -v
v8.11.1
npm -v
5.6.0

The instructions are valid for a terminal running on Linux Ubuntu, or on an Ubuntu terminal open in Windows 10.