1. Link for download and install wallet here https://github.com/minexcoin/minexcoin -->README.md -->Linux binary file: http://minexcoin.com/bin/linux/minexcoin-qt
Now the wallet works only on Linux. Soon will be release for Windows, and after this for Mac.
2. Here is the link for GitHub with open source code https://github.com/minexcoin/minexcoin
3. Now is available for mine only CPU mining.
4. Network difficulty is high. Because of this, mining will be slowly.
5. How to mine coins:
Open your MNXcore -->Help -->Debug window -->Console --> than write ''generate'' and amount you want mining.