Automatic installation:

1. Extract archive to library directory.
2. Run lsetup.exe

Manual installation

1. Extract files from the archive

2. Add \source  directory to Delphi library paths.
  (Editor: add \source\editor to Delphi library paths.)
  (Reports: add \source\reports to Delphi library paths.)
  (SQLs: add \source\sql to Delphi library paths.)

3. To use Addict library (if installed)  open \source\htmlinc.ini and uncomment {$DEFINE ADDICT}
   To use SynPDF library (if installed)  open \source\htmlinc.ini and uncomment {$DEFINE SYNPDF}
   To enable unicode for Delphi 6-2007 open \source\htmlinc.ini and uncomment {$DEFINE WIDESTRINGS} 
   (Tnt Unicode library should be installed first)

4. Delphi 7-XE2: 
  Open, Build and Install packages htmlcomp_<delphi_version>.dpk 
  Editor: Build and Install packages  htmledit_<delphi_version>.dpk in /packages/<delphi_version> directory.

5. Delphi XE3 - 12 Athens, CBuilder XE5 - 12 Athens: 
 Open, Build and Install all packages from project group \packages\<delphi_version>\HCL_<delphi_version>.groupproj 
 Editor: Open, Build and Install all packages from project group \packages\<delphi_version>\HEL_<delphi_version>.groupproj 
 Reports: Open, Build and Install package \packages\<delphi_version>\htmlreports_<delphi_version>.dpk

Please note that Delphi has no "Install all" command and every package in a group should be installed separately.

Installer errors

Fatal: F2039 Could not create output file ***.bpl
Please check that IDE is not running and target folder is not protected. See
https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/controlled-folders?view=o365-worldwide