set up r4 1.0.0

1. Unzip the file you downloaded from Gumroad.

2. Open a terminal in the unzipped folder. Most file managers offer “Open in Terminal” when you right-click a folder.

3. Run the install script, which copies r4 into ~/.clap, ~/.lv2 and ~/.vst3, replacing any old installation.

   sh install.sh
   

4. When your DAW next scans for plugins, it should find r4.

1. Double-click the file you downloaded from Gumroad to unzip it, and open the unzipped folder. Safari may have unzipped it already.

2. Open a second Finder window, choose Go › Go to Folder, and paste this:

   ~/Library/Audio/Plug-Ins
   

3. Copy r4.clap into the CLAP folder there, r4.lv2 into LV2, r4.vst3 into VST3, and r4.component into Components, replacing any old copies. Create a folder if it is missing.

4. When your DAW next scans for plugins, it should find r4.

1. Right-click the file you downloaded from Gumroad, choose “Extract All”, and open the extracted folder.

2. Open a second File Explorer window, and paste this into its address bar:

   C:\Program Files\Common Files
   

3. Copy r4.clap into the CLAP folder there and r4.vst3 into VST3, replacing any old copies. Create a folder if it is missing. Changing these folders requires administrator permission.

4. When your DAW next scans for plugins, it should find r4.

1. Open a terminal in the unzipped folder.

2. Run the install script with --uninstall, which deletes r4 from ~/.clap, ~/.lv2 and ~/.vst3.

   sh install.sh --uninstall
   

1. In Finder, choose Go › Go to Folder, and paste this:

   ~/Library/Audio/Plug-Ins
   

2. Move r4.clap from the CLAP folder to the Trash, r4.lv2 from LV2, r4.vst3 from VST3, and r4.component from Components.

1. In File Explorer, open C:\Program Files\Common Files.

2. Delete r4.clap from the CLAP folder and r4.vst3 from VST3.

r4 is known to work on Ubuntu 26.04 with these hosts:

r4 is known to work on macOS 27.2 with these hosts:

If r4 looks blurry in Ableton Live, try right-clicking the title bar and turn off “Auto-Scale Plugin Window”.