Cause: GitHub rate limiting or firewall.
Fix:
Download the ZIP archive directly from github.com/emtee40/DemonEditor/archive/refs/heads/main.zip instead of using git clone.
Linux offers the most stable experience for DemonEditor. You must install dependencies first. demoneditor install
Step 1: Install Dependencies Open your terminal and run: Pros: No installer wizard, no registry changes
sudo apt-get update
sudo apt-get install python3 python3-pip python3-gi gir1.2-gtk-3.0
Step 2: Download and Run