---
title: "Before You Begin"
slug: "before-you-begin-3-1"
tags: ["Windows", "Protect", "Agent", "Share", "7.12", "Drive"]
updated: 2026-02-09T13:07:00Z
published: 2026-02-09T13:07:00Z
canonical: "kb.ctera.com/before-you-begin-3-1"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://kb.ctera.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Before You Begin

## Requirements

          **Warning**

          

You cannot install a CTERA Agent on a PC running Kaspersky Antivirus software.

### Supported Operating Systems and Browsers

Windows 10 and higher running on x86-64 processors and Windows Server 2016 and higher.

          **Note**

          

Caching is **not** supported on Windows servers.

For browsers, the latest two releases of Google Chrome, Apple Safari, Mozilla Firefox, and Microsoft Edge are supported.

### Opening Ports on Your Firewall

The CTERA Agent establishes a connection to the CTERA Portal using TCP port 995. You do not need to open any incoming ports.

## Downloading CTERA Agent

You can download CTERA Agent from the CTERA Portal or by contacting [CTERA Support](https://www.ctera.com/support/).

- From CTERA Portal, click **Download Agent** located at the bottom left of the CTERA Portal web interface, in the sign-in page or after signing-in as an end user.

The CTERA Agent installation file is downloaded to your computer.