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In case you have installed an older version of  MET  (from Version 6.0 onwards) on your  PC, you can update your version within  your version number free of charge with the update function on this page. 

The update of versions 3.0, 3.5, 3.6, 4.0, 4.1, 4.5, 4.8 or 5.5 to version 6.0 requires a fee.

If there is no entry with the respective update, proceed as follows:

  • Load the from the server to your PC.
  • Make sure that you have administrator-rights on your PC.
  • Close all other programs.
  • Decompress the zip file to the MET program directory.

The zipped file "" contains exe- and dll-files for the actualisation to MET Version Download the ZIP-file and copy its content into the MET program directory. This overwrites the older data files.

Security-hash values of the file

CRC32: 6606A70D
MD5: ED3CDAC435C7C5135B9809C4EAF06550
SHA-1: 343AC9C6DF40C614A9BD4DA2C00C766A6D0EBE98

May 17, 2016 Changes since version
- Error: Printing pool evaporation scenario with length and width give distances of over 10 km
March 31th, 2016: Changes since version
- New: When selecting summer half-year and day, the ambient temperature is set to 20 degrees Celsius.
- New: Wizard can now be completed with "Next>" after passing all questions.
February 12th, 2016: Changes since version
- Error: Particle model (MEHAS): Conversion error when using ADE (Acceptable Daily Exposure) .
- Error: Wrong Unit for LD50 corrected.
- Error: Fixed crash when seaching substance.
- Error: Correction of formaldehyde substance data.

22.12.2016 09:36

MET for Windows Version 6.5

The most important new features [more]

13.05.2016 08:33

May Service update available for MET for Windows 6.0


30.09.2015 14:25

Conc. Sulfuric acid and Gasoline

Evaluation of our last question can be found [here]

31.03.2016 17:29

Service update available for MET for Windows Version 5.5


15.06.2015 08:52

Interschutz 2015

Thank you for your visit [more].

10.10.2014 20:33

Q Fever with MEHAS