FAQ 004633 | I already have licenses and now I would like to test an add-on module that I have not yet bought. How can I proceed?

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First Steps with RFEM

First steps

We provide hints and tips to help you get started with the basic program RFEM.



Stefan Hoffmann

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I already have licenses and now I would like to test an add-on module that I have not yet bought. How can I proceed?


Trial versions work as full versions for 90 days for testing purposes. They may only be used for non-commercial purposes. When you run RFEM or RSTAB, the test period for this program package starts.

The test period is global and affects the entire program package. By running the main program or an add-on module, your test period for this program package starts. A test period for individual add-on modules is not provided.

You have a license for RSTAB and want to test another add-on module. If your trial period for the RSTAB program package has not yet expired, all you have to do is to open RSTAB and then start the desired add-on module (for example, ALUMINUM).

Figure 02 - Trial Version of Add-on Module and Remaining Time

The title bar of the add-on module shows you how long you can continue to use the trial version of this module.

You can also check how long your trial period is still available in the Admin Control Center of the license driver. To do this, go to the following page:

Figure 03 - Admin Control Center - Features

As you can see in Figure 03, our USB dongle and two trial versions of RFEM and RSTAB are displayed. Our RFEM test period has already expired, but the RSTAB test period is still active so we can also test all add-on modules in RSTAB.

If you would like to purchase any of the Dlubal Software products and have a question, do not hesitate to contact us.


Dlubal FAQ Trial version Add-on module Trial Activation Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal


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  • Updated 09/14/2020

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