Check the file size against official scene databases (like PreDB) to ensure it matches the genuine Razor1911 release.
Use a utility like WinRAR or 7-Zip to extract the contents of Scorn_Crackfix-Razor1911.rar . Scorn_Crackfix-Razor1911.rar
When prompted, select "Replace the files in the destination." Check the file size against official scene databases