# Expiration

Every Zee Drive executable (`ZeeDrive.exe`) file has an inbuilt expiration date. After 18 months from release, the EXE will expire and show an error to the user.

Zee Drive should be [updated with a newer version before it expires](/how-to/upgrade.md).

## Check Which Computers Are Running Older Versions Of Zee Drive

Zee Drive subscription administrators can check which computers are running older versions of Zee Drive and in need of upgrading by choosing the option *Check which computers are running Zee Drive* from the Zee Drive administration console.

## Check For New Versions Of Zee Drive

Zee Drive subscription administrators can check for new versions of Zee Drive by choosing the option *Zee what's new in the latest Zee Drive releases* from the Zee Drive administration console.

## How To Check The Expiry Date Of Zee Drive

Right click on the `ZeeDrive.exe` executable in Windows File Explorer and choose Properties. Click the Digital Signatures tab and view the Timestamp field. The expiry date is 18 months from this date:

<figure><img src="/files/A9tvdxONAsDGPKFRjqi0" alt=""><figcaption></figcaption></figure>

Alternatively, double click the `ZeeDrive.exe` executable to launch the Zee Drive wizard. Click the blue Z application icon in the top left of the Zee Drive window. Select the Activity Logs option from the menu. Select the latest log in the list and choose Open Log.  The expiration date can now be viewed in the log similar to this:

*This version of Zee Drive expires on '2024-12-03'*


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.zeedrive.com/introduction/expiration.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.