Outside the windows assigned material of the metal, the color varies according to RAL, inside the tree.
There is a plastic material.
Between the frame and sash seals.
The leaves are grouped, there are half-open options horizontally and vertically.
Falsh shpory inside the glass with the ability to edit, instructions in the archive.
There are profiles of constructive sperm and dummy spros outside the glass pane, instructions for reassigning to the archive.
The stack is expanded.
The archive contains:
4 multi-material windows (3 wood + plastic), for one-click assignment
Profiles, instructions for use of window profiles, a list of sets of 5 parts.
3ds 2011 files for vray and corona.
A set of windowsills and grilles with radiators https://3dsky.org/3dmodels/show/nabor_radiatornykh_reshetok 
TO MAC USERS: If RAR password doesn't work, use this archive program:
RAR Expander 0.8.5 Beta 4 and extract password protected files without error.
TO WIN USERS: If RAR password doesn't work, use this archive program:
Latest Winrar and extract password protected files without error.
