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- Download archive with plugin (follow "Download plugin" section)
2. Upload Download and extract archive into \wp-content\plugins\ folder. Unpack archive to ot-external subfolder. Double check that subfolder name is ot-external (without any other symbols).
You can upload archive by the following ways:
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CHANGELOG
The list of plugin versions: https://data.otcommerce.com/public/ot-external/CHANGELOG.txt