: Use a tool like 7-Zip (free and open source) or WinRAR .
: This is likely an installer . It could be a standalone image viewer or a camera monitoring utility. Niceview2.rar
Knowing the source (e.g., a specific forum or a hardware box) can help me provide more exact steps. : Use a tool like 7-Zip (free and open source) or WinRAR
Before you can use anything inside, you need to "unpack" it. Niceview2.rar
: Be cautious during installation and decline any "optional" bundled software or browser extensions.