PupCall

Windows 10 / 11 · one-click installer · no admin needed

1. Run the downloaded Pup-Call-Setup-1.4.0.exe.
2. If Windows SmartScreen warns (unsigned app): More info → Run anyway.
3. Sign in or create an account, then call your friends.

Prefer the portable version? Pup-Call-win.zip — unzip & run.

AppImage · x86-64 · runs on most distros, no install

1. Make it executable — right-click → Properties → Permissions → tick Allow executing file as program (or run chmod +x Pup-Call-linux.AppImage).
2. Run it — double-click the file, or launch it from a terminal.
3. If it won’t start, install FUSE: sudo apt install libfuse2 (Debian/Ubuntu) or your distro’s equivalent.
4. Sign in or create an account, then call your friends.