To install ArcaVir, you should use a media or download the installer at the website. Before running the installer check the system date and set the current one. Then run the installer and follow the instructions on the screen. There are two modes of the product installation: standard or advanced. Standard mode lets you to install ArcaVir program with default settings. It is recommended for most users. Advanced mode lets you to select the directory, where you will install ArcaVir, modules enabled at operating system startup etc.