You may need to grant firewall permission for the app to access the internet to connect to the game servers.
Right-click the .zip file and select "Extract All" to a folder of your choice (e.g., C:\Games\ScreepsArena ). SRv0.6WIN.zip
Use your Screeps account credentials to log in and start coding your units. If you're having trouble getting it to run, You may need to grant firewall permission for