To fully uninstall PreVeil from Windows, you can use the following steps:
Open Windows File Explorer.
Navigate to C:\PreVeil
Run the Uninstall.exe located there.
When the pop-up box appears, check off the box to Remove Private Key Data, and then click on the Uninstall button.
Once the uninstall has completed, in File Explorer, navigate to C:\Users\[the user's Windows profile folder], and delete the PreVeil folder located there.
Open the Recycle Bin, right-click the folder and choose delete.