> For the complete documentation index, see [llms.txt](https://docs.emandai.net/vagent-user-guide-eng-ver/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emandai.net/vagent-user-guide-eng-ver/homepage/license-code.md).

# License Code

**Update license code**

The license code is the VAgent package registration code that users register to use through EM\&AI service distribution agents.

<figure><img src="https://3402843854-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxKm9k8XBKg4q6QdkW4P1%2Fuploads%2FesBo5mcR0wxgzbDGRLBf%2Fimage.png?alt=media&amp;token=0f4216dc-468e-489f-b34a-548aebe699fb" alt=""><figcaption><p>Click License to enter license code</p></figcaption></figure>

Click License to enter the license code -> the system displays a pop-up to enter the license code

<figure><img src="https://3402843854-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxKm9k8XBKg4q6QdkW4P1%2Fuploads%2FU5sxsL9hs3rxV6CyZiUo%2Fimage.png?alt=media&amp;token=3b330875-f262-4a6f-b2b7-43bf20f29b99" alt=""><figcaption><p>Enter license code -> click Apply to activate package</p></figcaption></figure>

Users enter license code -> click Apply to activate package
