If you are encountering a file with this name, exercise extreme caution. Files ending in .rar that use generic or slightly odd naming conventions (like "Download [Generic Term].rar") are frequently used to distribute or adware .
The download was prompted by a pop-up or a site claiming your "drivers are out of date." Download Air Conditioning rar
: You need a utility like WinRAR or 7-Zip to open .rar files. If you are encountering a file with this