Based on the search term "hot," it is highly likely you are referring to the eScan Total Security Suite (often abbreviated as eScan AV or simply eScan) or the concept of a "hot" key/license.
If you are using a version managed by an administrator or have a cloud-based subscription: how to check escan license key hot
Expired: The Contract Period has passed, and the product requires renewal to maintain protection. Quick Troubleshooting How to Activate eScan License Key (Step-by-Step Guide) Based on the search term "hot," it is
If you haven't installed it yet and need to check the key you purchased: Quick Troubleshooting How to Activate eScan License Key
Are you trying to renew an existing license, or are you having trouble activating a new one? Know How to Renew Your Product - eScan
eScan provides a small utility to read the current license status: