Before you write in
Most problems are one of three things: the DAW has not rescanned its plugin folder, the installer was blocked by Gatekeeper or SmartScreen, or an older version is still sitting in the folder next to the new one. Check those first — it saves us both a day.
Where plugins install
Windows
VST3: C:Program FilesCommon FilesVST3
macOS
VST3: /Library/Audio/Plug-Ins/VST3
AU: /Library/Audio/Plug-Ins/Components
Still stuck
Email Xeloraaudio@hotmail.com with your operating system, your DAW and its version, the plugin name and version, and what you saw happen. Screenshots help more than descriptions.
Support is one person answering email between builds. Expect a reply within a few working days.