Salesforce is a cloud-based platform, and you access it through a web browser rather than downloading it as a traditional software application. To use Salesforce, you can follow these steps:

1. Visit the Salesforce website (www.salesforce.com) and sign up for an account if you don’t already have one. You can choose the type of Salesforce edition that suits your needs, such as Sales Cloud, Service Cloud, or Marketing Cloud.

2. Once you have an account, you can log in to Salesforce using your credentials by visiting the Salesforce login page (login.salesforce.com).

3. After logging in, you will have access to the Salesforce platform and its various features and modules based on your user profile and permissions.

4. If you are an administrator or have the necessary permissions, you can customize and configure Salesforce to align with your organization’s requirements. This includes creating custom objects, fields, workflows, and reports, as well as integrating with other systems.

5. Salesforce also provides mobile apps for iOS and Android devices. You can download the Salesforce mobile app from the respective app stores to access Salesforce on your mobile device.

It’s important to note that while you don’t download Salesforce as a software application, you may need to download additional tools or applications if you’re working with specific Salesforce-related software or integrations. For example, you may need to download Salesforce Extensions for Visual Studio Code for Salesforce development or download Salesforce Connectors for integrating Salesforce with other systems.

In summary, to access Salesforce, you need to sign up for an account and access it through a web browser or use the Salesforce mobile app on your mobile device.