# Manual installation on Amazon EC2
<a name="manual-installation"></a>

**Note**  
Make sure the prerequisites are completed before installing the CloudWatch agent for the first time.

**Topics**
+ [Installing on Amazon Linux using the package manager](#amazon-linux-package)
+ [Installing on Amazon Linux using the command line](#linux-manual-install)
+ [Installing on Windows](#windows-installation)
+ [Installing on macOS](#macos-installation)

## Installing on Amazon Linux using the package manager
<a name="amazon-linux-package"></a>

You must also make sure that the IAM role attached to the instance has the **CloudWatchAgentServerPolicy** attached.

## Installing on Amazon Linux using the command line
<a name="linux-manual-install"></a>

On all supported Linux operating systems, you can download and install the CloudWatch agent using the command line.

1. 

   ```
   wget download-link
   ```    
[\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/AmazonCloudWatch/latest/monitoring/manual-installation.html)

1. After you have downloaded the package, you can optionally verify the package signature. For more information, see [Verifying the signature of the CloudWatch agent package](verify-CloudWatch-Agent-Package-Signature.md).

1. Install the package. If you downloaded an RPM package on a Linux server, change to the directory containing the package and enter the following:

   ```
   sudo rpm -U ./amazon-cloudwatch-agent.rpm
   ```

   If you downloaded a DEB package on a Linux server, change to the directory containing the package and enter the following:

   ```
   sudo dpkg -i -E ./amazon-cloudwatch-agent.deb
   ```

## Installing on Windows
<a name="windows-installation"></a>

On Windows Server, you can download and install the CloudWatch agent using the command line.

1. Download the following file:

   ```
   https://amazoncloudwatch-agent.s3.amazonaws.com/windows/amd64/latest/amazon-cloudwatch-agent.msi
   ```

1. After you have downloaded the package, you can optionally verify the package signature. For more information, see [Verifying the signature of the CloudWatch agent package](verify-CloudWatch-Agent-Package-Signature.md).

1. Install the package. Change to the directory containing the package and enter the following:

   ```
   msiexec /i amazon-cloudwatch-agent.msi
   ```

   This command also works from within PowerShell. For more information about MSI command options, see [Command-Line Options](https://docs.microsoft.com/en-us/windows/desktop/Msi/command-line-options) in the Microsoft Windows documentation.

## Installing on macOS
<a name="macos-installation"></a>

On macOS computers, you can download and install the CloudWatch agent using the command line.

1. Download the appropriate package for your architecture:

   ```
   https://amazoncloudwatch-agent.s3.amazonaws.com/darwin/amd64/latest/amazon-cloudwatch-agent.pkg
   ```

   For ARM64 architecture:

   ```
   https://amazoncloudwatch-agent.s3.amazonaws.com/darwin/arm64/latest/amazon-cloudwatch-agent.pkg
   ```

1. After you have downloaded the package, you can optionally verify the package signature. For more information, see [Verifying the signature of the CloudWatch agent package](verify-CloudWatch-Agent-Package-Signature.md).

1. Install the package. Change to the directory containing the package and enter the following:

   ```
   sudo installer -pkg ./amazon-cloudwatch-agent.pkg -target /
   ```