There are three general ways I offer technical support for my products, which one is best depends on what it is you want support for.
Plugins Available Through WordPress
Visit the Plugin Support Forum for the plugin, there is a link to it on the WordPress plugin page for the specific plugin, or you can search using the name of the plugin.
Please read through the documentation and relevant support conversations before posting questions, you may find your questions have already been answered.
Plugins Purchased Here
Each product sold here has a tech support forum for that product. Visit the Product Technical Support page to access product-specific support.
You can also contact me via the Contact Form, or post to the support section for the specific plugin.