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Download the GOM
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� This page tells how to download GOM - the Global Overlay Mapper.
Downloading the Global Overlay Mapper

For the latest version, v3, the Global Overlay Mapper has been re-written as a Windows program and fully updated with all the new prefixes, countries, and IOTA entities for 2017. Tried and tested on Windows 7, 8, and 10: you will find that downloading, installation and operation are remarkably simple.

System Requirements

The Global Overlay Mapper v3 will run on any modern computer with the Windows 7, 8, or 10 operating systems. An internet connection is required for callbook and geocoding functions.

If you need a version for Windows XP, please Contact Me.


The Global Overlay Mapper is packaged in a single file, with a total size of about 22MB. Just download the file to your computer, then click on it to start the installation. You can delete the installation file once the installation has completed.

Why should I Register ?

The Global Overlay Mapper is share-ware. It will work for 30 days in trial mode, which will give you a good chance to test and experiment with it. If you want to continue using the program after the 30-day trial period has expired, you will need to register it, which costs USD 15, or equivalent in a range of currencies. Discounts available if you have registered a previous version of GOM. For further details of registering, see the Register page.


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