To download the wallet go to releases and click on the wallet you need
Let it download and once it has downloaded open Astracoin-qt.exe, Let it load
Once you have run the wallet once close it and go to C:\Users\<YOURUSER>\AppData\Roaming\AstraCoin
Then right click and edit the Astracoin.conf file with a text editor (notepad++) and paste this into it
PLEASE NOTE: Change the RPC USER and RPC PASSWORD
rpcuser=<someuser>
rpcpassword=<someastrapassword>
rpcallowip=127.0.0.1
port=4144
server=1
listen=1
daemon=1
txindex=1
logtimestamps=1
maxconnections=256
staking=1
addnode=108.175.2.113:4144
addnode=51.68.198.137:4144
addnode=155.138.194.233:4144
addnode=144.91.104.184:4144
Hit save, Navigate back to Astracoin-qt.exe and open it again you will have to allow for the wallet to sync up to the correct block