The Classic Theme Extension provides the "classic" GUI look and feel for Libreoffice.
- Download the icon theme pack which is attached to bug tdf#38175
- Move "images_classic.zip" to your folder "C:\Program Files (x86)\LibreOffice 3.4\Basis\share\config\" (folder names might differ on your PC)
- Start LibreOffice
- Menu ▸ ▸ ▸ ▸ , select "Classic"
That's all, Classic Theme will appear immediately.
For feedback please contact the author, you will find contact data in the Extensions repository and at tdf#38175.
If you believe you have found a bug (missing icons, ...) you can report it here