Many new users may encounter problems with software not opening when switching from Windows to Mac，Especially after decompressing the RAR file。This is usually caused by a loss of permissions on the executable file。Here is the solution，Take AKVIS ArtWork as an example： 1. Show package contents： Right click on the software，Select "Show package contents"。 2. Find executable file： In the window that opens, open "Contents - MacOS”，Find a file like "ArtWork_std" or "Plugin Installer"。They may appear as files of unknown type。 3. Repair permissions using Terminal： •Open Terminal application。 ...