: Use a tool like 7-Zip or UniExtract to right-click the official UltraViewer_setup.exe and select "Extract to folder."
Portable versions do not auto-update. Re-download the latest ZIP from the official site every 2-3 months to ensure you have security patches. ultraviewer portable zip download
: Works on all Windows versions from XP to Windows 11 . : Use a tool like 7-Zip or UniExtract