TOPIC: Migrating DT Register data from Joomla 2.5.8 website to Joomla 3.6.4 website

Following Nathan's instructions, I was able to migrate all data and then to install DT Register 3.1.4b package. But when I tried to install dtregister_falang.zip file, I got error messages:

Warning
JInstaller: :Install: Can't find Joomla XML setup file.
Error
Unable to find install package

What is wrong with this file or with my website?

3.1.4? Just like I've already said in this thread, you can't use extremely old builds of DT Register in the latest and greatest Joomla. It will NOT work. Some things will... some things won't. You need the latest package.

The Falang package won't install because it's not a Joomla extension to install. It is detailed in the readme file on what it is and how to use... if you even need it.

Sorry, I provided wrong information. I had DT Register 3.1.11. Now I have DT Register 3.1.12, but I still cannot install Falang. And yes, I need it. I have a multilingual website.

I found your details about dtregister_falang.zip
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This is a package of five Falang 1.1.x content element xml files. If you are using Falang in a multi-language website, then you will want to load this package. Go to the Falang Content Elements area in the backend, click Install, then load this zip file. It will install all five content elements, which will allow you to translate all configuration messages, category names, event details, custom fields and location names. If you do not use Falang, then ignore this file... you won't need it. It does NOT install as a Joomla extension.
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What do you mean by saying " Go to the Falang Content Elements area in the backend"? Where is it?

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Just to post back on my part of this thread - I am all set and everything works 100%. Thanks for the guidance.

I set up my 2.5.28 site in a subdirectory with a new DB from an Akeeba backup.
Then i purchased and installed the latest version of DT Register.
Exported just the "jos_dtregister_*" tables from my database.
Deleted the jos_dtregister tables from my Joomla 3 site.
Imported the jos_dtregister tables from my previous export.
Installed DT Register in my J 3.6.4 site.

Presto - everything is back to perfect!