Microsoft provides a built-in script called ospp.vbs (Office Software Protection Platform) located in the Office installation folder.

For legitimate administrative tasks, the following steps are generally used in an elevated (Administrator) Command Prompt: Microsoft Volume Activation - DoIT Help Desk Knowledgebase

Q: Can I use the Microsoft 2013 Activator CMD on multiple computers? A: No, the Microsoft 2013 Activator CMD is designed to activate a single computer. Using it on multiple computers may lead to activation issues.

Unauthorized scripts often use the Command Prompt to connect your computer to an external Key Management Service (KMS) server. Office KMS Activation - Purdue University

Even though Office 2013 is out of mainstream support (ended April 10, 2018), extended support ended only in April 2023. You can still activate it with a legitimate key.

Point the software toward a Key Management Service (KMS) host for enterprise activation. Standard CMD Commands for Office 2013