1> back up your wallet in to different place ( wallet.dat )
2> Download new wallet MasterNode .
3> Let it syncs ,
4> go to debug window
masternode genkey
get your masterkey, save it some where.
Edit dox.conf
rpcallowip=127.0.0.1
rpcuser=anything
rpcpassword=anthing
rpcport=10002
server=1
daemon=1
listen=1
staking=0
port=9999
masternodeaddr=YOUR_IP:9999
masternode=1
masternodeprivkey=KEY GENERATED BY COMMAND
then open wallet again.
Go to debug windows again and type.
masternode start
to start your master node.
Thank, Required 1,000 Dox exactly to run master Node.
https://github.com/doxtyphon/Doxcoin/blob/master/release/doxmaster.zipThank.