Guide to Installing The Photoshop Plugin
Confirm the Photoshop Version
Make sure that the version of Photoshop is not less than 23.3.0 (you can check this in the Photoshop "About" menu), which corresponds to Photoshop 2022.
Download and Extract the Provided Archive
Placing into the Photoshop Plugin Directory
Locate the installation directory of Photoshop and move the extracted folder picpik_ps_plugin_lastest
into the "Plug-ins" directory. If there is an older version of the plugin, you can overwrite it.
Activate in Photoshop
Open the Photoshop's "Extensions" menu and select the Picpik plugin. If the panel appears blank, you can try clicking the "Reload Plugin" option in the upper-right corner of the menu.