follow the steps below to make the downloaded file executable: In Konqueror, right click the downloaded file "aocell-vsync-pcbsd.pbi", choose the menu item "Properties", choose the tab "Permissions", check the item "is executable", press the button "OK".

Double click the downloaded file "aocell-vsync-pcbsd.pbi" and the installation wizard will appear.

Type in the password of root.

Figure 26. Prompt for root privileges

Click "Next" to get going.

Figure 27. Welcome

Check "I Agree" and click "Next" to continue.

Figure 28. License agreement

Click "Next" to start copying files.

Figure 29. Program icon settings

Wait for the installation to complete.

Figure 30. Installation in progress

Installation is complete.

Figure 31. Installation is complete

Launch AOcell vSync.

Please click the AOcell vSync icon in the menu "Utilities - File" of the KDE menu to run AOcell vSync.