This Topspin FAQ from Bruker answers questions about both the free Topspin and Commercial Topspin. Learn more today.


Q: What is the difference between the commercial and free version of Topspin?
A: Both version uses the same software. The difference is only the price of the license ticket.  The academic license is free.

Q: Who can use the free TopSpin Processing version?
A: The free topspin processing is for academic, governmental and non-profit institutions.

Q: How do I get the free version?
A: Download Topspin from the download page and apply for the “Free academia license” on the same page.

Q: How long is this version valid?
A: The academic license for Topspin 3 and 4 is valid for a period 15 years.
Content of academic version

Q: Does the free TopSpin Processing include NUS processing?
A: Yes the NUS processing for 2D spectra that is included for free in the regular Topspin software is also available in the academic version.

Q: Does the free Topspin Processing version include NMR Guide?
A: Yes.

Q: Does the free Topspin Processing version include NMR-Sim?
A: Yes.

Q: Is the CMC-assist included?
A: You need to purchase a license to use the full version of CMC-assist. The full license is also available for free for 1 year on spectrometers purchased after March 2017. The CMC-assist Classroom license is included.

Q: Is the Structure Elucidation CMC-se package included?
A: No, you need to purchase a license to use the full version of CMC-se. The full license is also available for free for 1 year on spectrometers purchased after March 2017. The CMC-se Classroom license is included.

Q: Are the CMC Classroom license included ?
A: Yes, all Topspin academic licenses issued after the March 1. 2019 include the Classroom licenses for CMC-assist and CMC-se.

Upgrades and Transfers

Q: I am a qualified customer and want to upgrade from a previous version of Topspin Processing or transfer my license from an old computer?
A: Please visit the download page above and install the latest version of Topspin. The license transfer is described in the CodeMeter documentation in Topspin.

Q: I prefer Topspin3.5, Topspin3.2 or Topspin2.6 over Topspin4?
A: Academic licenses are available only for Topspin 3.6, Topspin 4 and following releases.

Q: I still have a Windows XP or Windows Vista workstation and would like to use the free version?
A: Only Topspin4 and Topspin3.6 is available in this free version. The list of supported operating systems is available here.

Q: I am a qualified customer and  purchased  20 processing licenses with the instrument 1/1/2016 but  have  only requested 10 of these licenses?
A: These remaining licenses can be used for Topspin versions older than Topspin3.5 or Topspin4 or you can get as many free topspin licenses as they want.

Q: I have an academic $99.00 license for Topspin3.2 can I extend it?
A: Feel free to download the latest version and install the free academia license as described above.

Q: Can  I download multiple versions of free Topspin, for example for Mac and Windows and use them concurrently?
A: Yes, no problem. Multiple license tickets must be obtained.

Q: I am still running the free version of Topspin 3.5
A: This version already expired, or will expire soon. You should install the latest version and get the free academic license.


For faster and better support, please have all details such as error messages ready.

Q: I am having trouble with the Installation, who do I contact?
A: For Europe, please send an email request to
For Americas, please send email request to or visit us on the web for more support options

Q: Is documentation such as manuals included with the free version?
A: A comprehensive set of manuals for all included applications is part of the version.