Look at where you found the link. If it came from a YouTube description, a random Discord server, or an unverified "free games" site, it is almost certainly unsafe.
Legitimate modern games are rarely distributed via random .rar files on third-party hosting sites. If you didn't download this from a verified storefront like Steam or GOG , it is likely a "repack" at best or a virus at worst. Black-Mesa-Definitive-Edition.rar
Before doing anything, upload the file to VirusTotal to see if multiple antivirus engines flag it as malicious. Look at where you found the link
Scammers often use the names of popular games or "Definitive Edition" tags to trick users into downloading trojans, miners, or info-stealers. Safety Steps to Take If you didn't download this from a verified
If you’re looking to play the real game, the best (and safest) way is to grab it on Steam, where it frequently goes on sale for a very low price.
Opening or extracting a .rar file can sometimes trigger scripts or reveal executable files ( .exe ) that infect your system the moment you run them.
Did you , or are you seeing it flagged by your antivirus software ?