To install Parallels Virtuozzo Containers 4.5 for Windows, do the following:

1. Download the x64_w2k8.zip archive containing the Virtuozzo installation files.
2. Unzip this archive to a local folder on the system where you are planning to install Virtuozzo.
3. Run the virtuozzo4.5_x64_w2k8.exe file and follow the instructions of the installation wizard.