Click "Download AOcell vSync" to start the download.
Click "Save As..." and save the file to your desktop.
Make the installer executable.
Right-click the file "aocell-vsync-pcbsd.pbi" on your desktop, from the context menu, choose "Properties", then in the tab "Permissions", check the item "Is executable" of the group box "Access Permissions", click the button "OK".
Double-click the file "aocell-vsync-pcbsd.pbi" on your desktop.
The AOcell vSync software will install. After installation, click the AOcell vSync icon in the menu "Utilities - File" of the KDE menu to run AOcell vSync.
For more information, please see the following link to the installation guide: