Portable (ZIP) - Unsupported * Run without install. * Less features than EXE version. * Only 3.5MB. * Support all Windows version. UltraViewer

It is incredibly compact, typically around 3.5MB .

Even in the free version, UltraViewer is known for not interrupting sessions with aggressive "buy now" notifications, unlike some competitors. Portable vs. Installer Version: What’s the Difference?

It supports a wide range of Windows versions, from Windows XP to Windows 11 . Key Benefits of Using the Portable Version

While both versions allow you to control a remote PC, there are some trade-offs to consider before choosing the ZIP file: Portable (ZIP) Installer (.EXE) Low (no registry changes) Standard (adds shortcuts/registry) Administrative Rights Not required for basic use Usually required for installation Unattended Access Limited/Harder to set up Fully supported (runs as service) Automatic Updates Must be manual Can update automatically Features Essential features only Full feature set How to Use UltraViewer Portable ZIP