The Toolkit 11.4.3 release (Build contains support for Windows 11 and Windows Server 2022 and numerous bug fixes.

Software Requirements

The following software is required to successfully use Toolkit.

Operating Systems Supported

  • Windows Server® 2012 R2, 2016, 2019, or 2022
  • Microsoft Windows® 10, 11

Additional Software

  • Microsoft® .NET Framework 4.5 or higher is required to use Toolkit's .NET component
  • Visual Studio C++ 2015 Redistributable

Note: If you are installing an ActivePDF product on a Windows 2012 R2 server, you need to download and install two Microsoft updates for Windows 2012 R2 servers. These updates resolve issues with the Microsoft Visual 2015 C++ Redistributable Runtime Components. For links and step-by-step instructions, see this ActivePDF Knowledge Base article: Installing Toolkit on Windows 2012 Servers.

Hardware Requirements

The minimum hardware requirements for Toolkit are:

Server and desktop

  • 125 MB of RAM
  • 100 MB of hard disk space (for application)

Features not in Toolkit 11.4.3, but may be considered in future releases:

  • Flash
  • Metadata Management
  • Text Extraction
  • Redaction
  • Text To PDF Conversion

Although the documentation is available for these objects, the objects themselves are not connected, and will not work. For more information, contact the ActivePDF Support team.

Important Note: If you have an existing Toolkit installation and are using the objects listed above, do not upgrade to Toolkit 11.1.0 or later. You will lose access to these objects.

Bug Fixes

The following bugs were resolved since the last release.

ID #Description


Text in output PDF different then in Toolkit 10.


Toolkit installer certificate expired.

AccessViolation when compressing a large number of files.
ACT-6Double byte characters incorrectly formatted with SetCustomDocInfo.
ACT-7SetHeaderText places text in wrong location.
ACT-8Leading white space stripped.
ACT-9Toolkit fails to open input file (file specific).
ACT-10Incorrect text formatting (Change in output from 10.3)
ACT-14Auto font size on duplicate field name loses font name and font size.
ACT-17Support for Windows Server 2022.
ACT-21Unable to process input file (file specific).
ACT-22Form field data overlaps field border.
ACT-24Merge file should return -1 when the input file does not exist.
ACT-25Form text not contained in field bounding box.
ACT-45Output file size larger after Toolkit 10.1.
ACT-46PrintText in incorrect position (Document Specific).
ACT-47FieldInfo field name case sensitive.
ACT-48SetHeaderTIFF image size incorrect.
Flattened form field location incorrect.
InputByteArray failing on MergeFile.
Unicode PrintText not printed in the output document.
Text field formatting (COMB) is not applied to output document.
Flatten flag -997 not applied to output.
Unable to set form field data (Document Specific).
Field value incorrect unless focused (Japanese Font).


Installation and API information is available in the Toolkit API Reference Guide.

Legacy Documentation

Documentation for all prior releases is available on the Toolkit Legacy Documentation page.


To download the Toolkit and Toolkit Ultimate examples, visit the GitHub ActivePDF page.

Toolkit Installer

Use the following links to download the ActivePDF Toolkit or Toolkit Ultimate installers.