Before installing the latest version of an action set (free or commercial), I recommend you check if you have an older (or trial) version installed in Photoshop and remove it prior to installing the new one.
The filenames of all PanosFX add-ons begin with these 3 letters: PFx
This allows you to easily identify any PanosFX add-ons loaded in Photoshop's panels, and locate the respective files stored in your hard disk.

STEP 1: UNLOAD THE OLD / TRIAL ACTION SET FROM PHOTOSHOP'S ACTION PANEL:

Click to select the action set (1); then click on the panel's recycle bin to dispose of the set (2):
how to unload an actions set from the actions panel
TIP: You may hold down the Control key (PC) or the cmd key (Mac) to select multiple action sets. 
  

STEP 2: DELETE THE OLD / TRIAL FILES FROM YOUR HARD DISK:

Removing the actions from the actions panel will merely unload them from Photoshop / PS Elements. It won't delete the respective files in the hard disk. To delete the files, navigate to the folder where you keep the PanosFX files. If you don't remember where you stored the files, perform a file search:
  • Mac users: press Ctrl-space to invoke spotlight; enter pfx and wait a few seconds. When the search is complete, scroll down and click on "Show all in Finder".
  • Windows users: open File Explorer. Navigate to the root directory of your hard disk (e.g. C:). Enter pfx in the search box at the upper-right corner and wait a few seconds.
Select the old (or trial) file versions and delete them.
  

STEP 3: INSTALL THE NEW FILES IN YOUR HARD DISK AND LOAD THEM TO PHOTOSHOP:

Download the latest version. All files are delivered in zip format. Move the zip file into the folder where you keep the PanosFX files and double click to decompress it. Keep the zip file as a backup. Finally, load the actions in Photoshop / PS Elements, using the menu button which is located on the upper right corner of the actions panel.
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PanosFX
2018/02/14
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Must have for Photoshop.
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