Launch the License Manager from the bin folder (by default “C:Program Files (x86)EmbarcaderoStudio20.0binLicenseManager.exe”) and delete any trial or beta (Test Field) license that you can find. Check it under “License Details” in the center column.
Under your Control Panel’s Program and Features Add/Remove Program uninstall the following entries:
RAD Studio 10.3 version 20.0
Please follow these instructions to remove any leftover files:
If Windows 32-bit, remove the C:Program FilesEmbarcaderoStudio20.0 directory (or the custom folder you had used).
If Windows 64-bit, remove the C:Program Files (x86)EmbarcaderoStudio20.0 directory (or the custom folder you had used).
Remove the C:UsersPublicDocumentsEmbarcaderoStudio20.0 directory
Remove the C:ProgramDataEmbarcaderoStudio20.0 directory.
Remove the %APPDATA%EmbarcaderoBDS20.0 directory.
Remove the HKEY_CURRENT_USERSOFTWAREEmbarcaderoBDS20.0 registry key
If Windows 32-bit, remove the HKEY_LOCAL_MACHINESOFTWAREEmbarcaderoBDS20.0 registry key
If Windows 64-bit, remove the HKEY_LOCAL_MACHINESOFTWAREWow6432NodeEmbarcaderoBDS20.0
If Windows 32-bit, remove the following files from C:WindowsSystem32:
BDEAdmin.*
CC32*.DLL
Midas.*
Xerces*.DLL
If Windows 64-bit, remove the following files from C:WindowsSysWOW64:
BDEAdmin.*
CC32*.DLL
Midas.*
Xerces*.DLL
Field testers should also do the following (and others may want to as well):
Delete the Godzilla license from License manager before uninstalling it or during the installation of RAD Studio 10.3 Rio
If you had problems in the second step (uninstalling from Windows Control Panel), try this Microsoft tool to solve un-installation problems: