# Set up to use AWS Private CA
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If you're not already an Amazon Web Services (AWS) customer, you must sign up to be able to use AWS Private CA. Your account automatically has access to all available services, but you are charged only for services that you use. 

**Topics**
+ [Sign up for an AWS account](#sign-up-for-aws)
+ [Install the AWS Command Line Interface](#cli)

## Sign up for an AWS account
<a name="sign-up-for-aws"></a>

To get started with AWS, you need an AWS account. For information about creating an AWS account, see [Getting started with an AWS account](https://docs.aws.amazon.com//accounts/latest/reference/getting-started.html) in the *AWS Account Management Reference Guide*.

## Install the AWS Command Line Interface
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If you have not installed the AWS CLI but want to use it, follow the directions at [AWS Command Line Interface](https://aws.amazon.com/cli/). In this guide, we assume that you have [configured](https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-quickstart.html) your endpoint, Region, and authentication details, and we omit these parameters from the sample commands.