You have to download the latest version from this website. Then you have to copy install.cgi and install.dat into your admin directory, point your browser to install.cgi, select "update", indicate the path of your current installation, and you are done.
Customized templates will not be overwritten.
Ivan
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Iyengar Yoga Resources / GT Plugins
Customized templates will not be overwritten.
Ivan
-----
Iyengar Yoga Resources / GT Plugins