Downloading third-party ".rar" activators is due to the high risk of malware, viruses, and security breaches associated with such files. Instead, use official or verified open-source methods to manage your Office 2010 license. Official Activation Methods
: If you purchased Office online, you can view your 25-character key in your Microsoft Account Order History. Volume Activation (For Organizations) Download Window and Office Activator(2010) rar
: Files from unofficial download sites often contain trojans or ransomware. Downloading third-party "