PDF Enhancer

Install the VIESUS PDF Enhancer on Windows and Linux. Includes GPU and CPU variants, verification steps, and release notes.

The PDF Enhancer is a separate installer that requires an already installed and licensed CLI & Viewer base package.

See System Requirements for hardware, OS, and GPU requirements.

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Installation

Download the PDF Enhancer from the VIESUS Transfer Portal, then follow the steps for your platform.

Windows

Download VIESUS_PDFEnhancer_<PDF_VERSION>_VIESUS_<VERSION>.exe, then right-click it and choose Run as administrator.

Replace <PDF_VERSION> and <VERSION> with the version numbers shown on the Transfer Portal download page.

1

Accept the license agreement

Read and accept the End-User License Agreement, then click Next.

2

Select components

The default Full installation includes VIESUS Tools and VIESUS PDFEnhancer. Click Next.

3

Additional tasks

Optionally check Create desktop icons, then click Next.

4

Ready to install

Review the summary of selected components and tasks, then click Install.

5

Wait for installation to complete

Wait while the installer extracts and installs all files.

6

Finish

Click Finish to exit the Setup Wizard.

Verify the installation

Launching the program from the Start Menu runs it in hotfolder mode, displaying the viesusPDF version, build date, and VIESUS library version.

You can also verify from the command line. Open cmd.exe as administrator, navigate to the install directory, and run viesusPDF.exe -v:

"C:\Program Files\Imaging Solutions\VIESUS\PDFEnhancer\viesusPDF.exe" -v

Expected output:

VIESUS PDFEnhancer Application X.XX.XX 64 bit
VIESUS X.XX.XX win x86_64 bit
Copyright (c) Viesus AG, 2011-2026

Linux

Download viesuspdf_<PDF_VERSION>_amd64.deb from the VIESUS Transfer Portal, then install:

sudo dpkg -i viesuspdf_<PDF_VERSION>_amd64.deb

sudo apt-get install -f   # resolve any dependencies

# Verify
/usr/local/viesuspdf/bin/viesuspdf -v

Expected output:

viesus@viesus-ddm:~$ /usr/local/viesuspdf/bin/viesuspdf -v
Starting of /usr/local/viesuspdf/bin/viesuspdf
AppDataPath is /usr/local/viesuspdf/bin
viesusPDF X.XX.XX 64 bit - Build <TIME_STAMP>
VIESUS X.XX.XX IW GPU lin x86_ 64 bit - Build <TIME_STAMP> GCb
Copyright (c) Viesus AG, <YEAR>

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Changelog (selected versions)

Version	VIESUS	Key changes
4.06.00	13.00.00
4.05.00	12.00.00
4.04.04	11.00.01	Handles PDF page dimensions beyond 32,767 pt; improved ICC profile handling
4.04.02	11.00.01	Artifact removal added to resizing; soft mask resizing; stream reading for JPEG
4.04.00	11.00.00	justAnalyze option added
4.03.00	10.00.00	noResize, -r targetRes, -T resizeThres options; viesusini.json replaces .ini
4.00.00	—	64-bit; Linux port; GUID licensing