How to install plugins?

Plugins extensions 8bi , zxp, swf, jsx. When you copy to the plugins are not added in PS.
Extension - "installation Failed. Make sure the file is valid..."

PS V 13.0.1
July 2nd 19 at 17:15
1 answer
July 2nd 19 at 17:17
For each add-on has a description, read it in detail as we look at a version

Find more questions by tags Adobe Photoshop