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Software Installation: Below are installation packages for Windows OS – separate installers for 32 bit and 64 bit system. There are separate installers for MProbe system, standalone version (no hardware integration) and versions integrated with third party spectrometers. Please select the correct installer that match your requirements.

Installation Instructions

Software evaluation: You can evaluate the software before  purchasing – please send us email to to request an evaluation key.

Evaluation instructions

Updating to version 4.5 of TFCompanion. Version 4.5 was  a major new release of the software. If you currently have earlier verion of the software – you will needs to download the latest version of TFCUpdater or make a fresh installation. Please follow the update instructions below.

Update instructions to ver 4.5

TFCompanion standalone version 32bit/64bit

Standalone software for data analysis of reflectance, transmittance, ellipsometry, imaging ellipsometry data. Does not include data acquisition and integration with spectrometers and other hardware.

download TFcompanion SA

TFCompanion for MProbe 64 bit

TFCompanion software for all models of MProbe system

(Release Feb. 2021. Please update after installation)


TFCompanion for MProbe 32 bit

TFCompanion software for all models of MProbe system

(only old systems – before 2019)


TFCUpdater. Software for updating TFCompanion 

TFCUpdater is included in TFCompanion installation. It only need to re-installed when updating from the very old TFCompanion version (before ver. 4.5)

download TFCUpdater 32 bit
download tfcupdater 64 bit

Software update file

Recommended update installation is directly from TFCompanion software (Help/Check update). If computer is not connected to the Internet, the software update can be downloaded manually and installed

Update instructions
Download update

Semiconsoft Spectrometers software

USB drivers for

Semiconsoft Spectrometers

Download USB drivers for using with SpectrometerClient or integration with your software. Download drivers are extract them from the zip file. Follow instructions to install drivers.

If you are using TFCompanion software – the drivers are already included in the installer – you do not need downlaod them separately/ 

Download USB drivers for Semicosoft Spectrometers

Spectrometer Client Software

Spectrometer client software for testing Semiconsoft spectrometers

Support Windows7 /10, 64 bit platform 

Download Spectrometer Client

TFCompanion integrated with popular third-party spectrometers 

TFCompanion for Ocean Optics spectrometer,32bit and  64 bit

TFCompanion with spectrometer integration. Compatible with all Ocean Optics USB spectrometers

Download tfcompanion oo 32 bit

TFCompanion for StellarNet spectrometer, 32 bit

TFCompanion with spectrometer integration. Compatible with  StellarNet USB spectrometers

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