UltraViewer

4.3/5 (1927)

Version: 6.4.12

Latest Version Check: 27 May 2026

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Updated: 04 Jun 2026

System Requirements

Windows 11 Windows 10 Windows 7/8 x86 & x64

Windows 7/8/10/11 (32/64-bit)

Both 32-bit and 64-bit

CPU

1 GHz x86 or x64 Processor

Dual-core recommended

RAM

512 MB min / 1 GB rec

Higher for HD capture

Storage

10 MB for installation

+ free space for recordings

GPU

No dedicated GPU required

Latest drivers advised

Other

Internet connection, .NET Framework 4.6+

Audio input for sound capture

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UltraViewer 6.4.11 UltraViewer 6.4.10

4.3

1927 reviews

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At a Glance

Version

6.4.12 (Windows)

Size

~6 MB

License

Free

Release Highlights

Improved connection stability under high-latency networks
Enhanced file transfer speeds and reliability
Fixed minor UI glitches on dark mode

Check full notes in the app “Help → About”.

Checksums

SHA-256

…d543 · · · e44

MD5

…d0d · · · 805f

Verify integrity if your network modifies downloads.

Help & Docs

All Supported Platforms
Troubleshooting capture
Hotkeys & tips

FAQ

Is UltraViewer free to use?

Can I transfer files between computers?

Does UltraViewer require installation?

Is unattended access available?

User comments

John D. · 3 days ago

UltraViewer is lightweight and easy to set up. Perfect for quick support sessions.

Emily R. · 6 days ago

I love the built-in file transfer feature. Much faster than other tools I’ve tried.

Michael S. · 1 week ago

Works reliably even on low-bandwidth connections.

Sophia L. · 2 weeks ago

The UI is simple and straightforward. No unnecessary bloat.

David K. · 2 weeks ago

Great free alternative to TeamViewer for personal use.