@luciofra Many of Fredo's extensions now require licenses, as do some other authors' work. These perpetual licenses are relatively inexpensive [typically $7 to $15 each]. There might also be discounted 'bundle' licenses available, e.g. Fredo's bundle contains 8 of his most popular ones. https://sketchucation.com/purchase.php?plugin=Fredo6Bundle2022 and costs $40/$24 for premium members. Premium members get considerable % discounts. You also need to install his help LibeFredo6 [free] licensed extensions also require the SketchUcation Tools [free] installing which sets up the licensing side of things. This page covers all current licensed SCF extensions... https://sketchucation.com/plugin-list.php This is the general licensing guide... https://downloads.sketchucation.com/licensing/SCFLicense-Instructions_to_Users.pdf And this page lets you manage your own licenses... https://sketchucation.com/webshop/my-licences.php