Our site downloads page has links to download the latest zip:https://www.kartris.com/t-Downloads.aspx The software itself comes as a zipped file.
If you want to obtain the very latest up-to-date code, you can go to the source repository on Github (this may contain development code, unfinished work, bugs and other issues, so the version zips on our downloads page are strongly recommended).
https://github.com/cactusoft/kartris
Don't forget to unblock any zip files you download before you unzip them. More information...
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