Supported Delphi version: RAD Studio XE3 and higher Supported Windows Versions: Windows Vista and higher Extract the entire(!) ZIP file and follow the instructions below. Delphi / RAD Studio 10.4 and higher Installation ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1. Open the project group "Packages\RAD Studio 10.4+\VirtualTreeView.groupproj" 2. Right click on "VirtualTreesD*.bpl" and click "Install" 3. Go to "Tools > Options > Language > Delphi Options > Library > Library Path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" Do this for both Win32 and Win64 platform, which you can choose in the dropdown box. 4. C++ Builder users only: In the Options dialog go to "Environment Options > C++ Options > Paths and Directories" a) Click "Library Path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" b) Click "System Include path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" 5. Close the RAD Studio Options dialog by clicking "Save". Delphi / RAD Studio 10.3 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1. Open the project group "Packages\RAD Studio 10.3\VirtualTreeView.groupproj" 2. Right click on "VirtualTreesD270.bpl" and click "Install" 3. Go to "Tools > Options > Language > Delphi Options > Library > Library Path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" Do this for both Win32 and Win64 platform, which you can choose in the dropdown box. 4. C++ Builder users only: In the Options dialog go to "Environment Options > C++ Options > Paths and Directories" a) Click "Library Path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" b) Click "System Include path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" 5. Close the RAD Studio Options dialog by clicking "Save". Delphi / RAD Studio XE3 - 10.2 Installation ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1. Open the project group "Packages\RAD Studio *\VirtualTreeView.groupproj" 2. Right click on "VirtualTreesD*.bpl" and click "Install" 3. Go to "Tools > Options > Environment Options > Delphi Options > Library > Library Path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" Do this for both Win32 and Win64 platform, which you can choose in the dropdown box. 4. C++ Builder users only: In the Options dialog go to "Environment Options > C++ Options > Paths and Directories" a) Click "Library Path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" b) Click "System Include path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" 5. Close the RAD Studio Options dialog by clicking "OK". Troubleshooting ~~~~~~~~~~~~~~~ In case you experience any problems, try to delete all these files from your disk and then start over: - Virtualtrees.* - VTAccessibility.* - VTHeaderPopup.* - VirtualTreesD.* - VirtualTreesR.* I recommend using UltraSearch for this task: http://www.jam-software.de/ultrasearch/ Please send comments and suggestions regarding the packages and the install instructions to joachim.marder@gmail.com or open an issue. C++ Builder XE3 and higher Installation ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1. Open the project group "Packages\CBuilder XE*\VirtualTreeView.groupproj" that is closest to your version. 2. Right click on "VirtualTreesR*.bpl" and click "Build" 3. Right click on "VirtualTreesD*.bpl" and click "Install" 4. Go to "Tools > Options > Environment Options > Delphi Options > Library > Library Path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK", "OK" 5. Go to "Tools > Options > Environment Options > C++ Options > Paths and Directories" a) Click "Library Path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK" b) Click "System Include path > [...]" Browse to the "Source" folder of VirtualTreeView, press "OK", "Add", "OK", "OK" 6. If you target Win64 you need to build VirtualTreesR*.bpl also for the platform "Win64"