Click here to find detailed instructions on how to run Sylenth1 in your host software.

Most likely the VST folder where Sylenth1 is installed is not added to your host's VST folder list. Please refer to your host software's user manual on how to add this folder.

Also make sure not to mix up 32 and 64bit versions. Install only the 32bit version of Sylenth1 if you're using a 32bit host program. Install only the 64bit version of Sylenth1 if you're using a 64bit host program. In Windows x64, the 32bit Program Files folder is named "Program Files (x86)", while the 64bit folder is named "Program Files". Make sure you install Sylenth1 into the right folder (never install 32bit programs in 64bit folders or the other way around).

Another possibility is that you have multiple installations of Sylenth1 on your computer. Uninstall Sylenth1, search all your VST folders for any leftover files or folders named Sylenth1 and delete everything. Then download Sylenth1 from the links in your license email to make sure you have the latest available version and install it.

To activate Sylenth1 please follow these instructions step by step.

The soundbanks are located in the Sylenth1 data folder. Just click MENU -> "Open Data Folder.." in Sylenth1 to get there quickly.

Sylenth1 responds to MIDI Program Change and Bank Select messages, which are used to switch the preset to a certain number. Most MIDI keyboards/controllers can send these messages so you can easily change presets directly from your controller, without touching your computer keyboard.

These messages can also be recorded in a MIDI track. When you import or record a MIDI track that contains a Program Change message, Sylenth1 will switch the preset whenever it reads the message. So just make sure to remove the Program Change or Bank Select messages from the MIDI clip if you don't want it to change!

Check your host software's user manual on how to remove or edit Program Change and Bank Select messages in a MIDI clip. If you're using Ableton Live, make sure the Pgm, Bank and Sub fields in your MIDI clip are all set to None.

Alternatively, you can completely disable Program Change messages in Sylenth1. To do so, click MENU -> "Open Data Folder..", browse to Config and open the Settings.xml file with a text- or xml-editor. Change the "programchanges" value in the MIDI section to "0" and restart Sylenth1.

Click MENU -> "Check for updates" in Sylenth1 to find out if you're using the latest version of Sylenth1. If not, download it from the links in your license email and install it.