如果你的应用程序已经有一个正在使用的授权许可密钥，希望更换为新的授权许可密钥，也可以通过上传新的密钥文件来完成替换。这一操作通常适用于授权许可即将到期并需要进行更新换代的企业场景。
: Key files are strictly for corporate/business products. Since August 1, 2013, all Kaspersky home products (like Kaspersky Plus or Premium) can only be activated with a code. convert kaspersky activation code to key file hot
: Go to the Kaspersky Licenses folder and select Add activation code or key file to import it into your key storage. setting up offline servers
Kaspersky lab products typically use a 20-character activation code for online licensing. However, certain scenarios—such as managing legacy corporate software versions, setting up offline servers, or deploying security clients via automated networks—require a physical .key file. convert kaspersky activation code to key file hot