This is a Windows permissions issue. To solve it, navigate to your game folder, right-click it, select Properties , then the Security tab. Give your user account "Full control" over the folder. Alternatively, try right-clicking the editor and running it "as administrator" .
. You can use a classic editor on your original saves and then transfer them into DevilutionX for a smoother experience on modern hardware Installation Steps diablo 1 save editor install
Ensure you have the Java JRE installed on your system. This is a Windows permissions issue
Once installed, you'll often find that the interface isn't 100% straightforward. Here are the basic steps to get started. navigate to your game folder