System Requirements for Toolkit Software

HertzWin runs under Windows or under Linux using Wine.


HertzWin & FlexBeam

The software runs on Windows and Linux via Wine. MacOS is not supported. Required disk space is ~2 to 3 MB.
Normally the software runs on any Windows computer. If HertzWin and/or FlexBeam do not run properly, you are probably missing one or more VB6 runtime files. If these are not present on your PC, you can download and install them. Unfortunately, they are no longer available on the Microsoft website, but there are general download sites where you can find them. Some examples are: and You can also download them from

Note: If HertzWin and/or FlexBeam is running on Windows 10 at a high resolution (high DPI), the fonts may look blurry. See this article for an easy fix.


The latest release of FlexHinge (2.0 and above) runs on Windows 8.1 – 11. The required disk space is ~55 MB.

FlexHinge uses the MS Visual C++ Windows Runtime Redistributable files that are included in the download file. Installing the redistributable files is optional during installation. If they are already present on the computer you can skip this step. FlexHinge will not run without these redistributable files.


For HertzWin and/or FlexBeam on Linux, follow these instructions.

The latest release of FlexHinge (2.0 and later) has been tested on Linux Mint-21.3, Ubuntu 24.04Debian 12.5 and openSUSE Tumbleweed, but will also run on:

  • Linux Mint 16 or later;
  • CentOS 7.0 or later;
  • Ubuntu 14.04 LTS or later;
  • Debian 6.0 or later;
  • OpenSUSE 11.3 or later;
  • Fedora 13 Desktop or later.


Apple OS

HertzWin does not run under Apple OS unless via Crossover from Codeweavers.