Add the VST folder
1. Go to Edit > Preferences > File - VST Settings.



2. Under VST Scan Folder(s), click the Add button to open the Browser for Folder dialog box.



3. Choose the folder you want to add, and click OK.
note: In my case the folder was C:\Program Files\PluginAlliance



4. Repeat steps 1 and 2 to add any additional folders you might want to scan.

1. Go to the Plugin or Synth icon in the upper right corner of SONAR X3.



2. Click the + icon and select and select the folder you just added.



3. You should now be able to access all your plug-ins!