To download apps from Salesforce AppExchange, follow these steps:

1. Visit AppExchange: Go to the Salesforce AppExchange website. You can access it by visiting https://appexchange.salesforce.com/.

2. Search for Apps: Use the search bar to find the app you’re interested in. You can search by app name, category, or keywords.

3. Browse Listings: Browse through the search results to find the app you want. Each app listing provides information about its features, reviews, and screenshots.

4. Choose an App: Click on the app listing to view more details. Read the app description, review the features, and check user ratings and reviews to ensure it meets your needs.

5. Get It Now: If you decide to download the app, click the “Get It Now” button on the app listing page. This will initiate the installation process.

6. Login to Salesforce: You’ll be prompted to log in to your Salesforce account. If you’re not already logged in, you’ll need to provide your Salesforce credentials.

7. Select Organization: If you have multiple Salesforce organizations (orgs), select the organization where you want to install the app.

8. Installation Settings: Some apps might have installation settings or configuration options. Follow the on-screen instructions to complete the installation process.

9. Approve Access: Some apps might request access to certain data or functionalities within your Salesforce org. Review the requested permissions and click “Approve” if you’re comfortable with the permissions.

10. Confirmation: Once the app is successfully installed, you’ll receive a confirmation message. You might also receive instructions on how to access and use the app within your Salesforce org.

Keep in mind that the specific steps and user interface might vary depending on the app and your Salesforce instance. Additionally, some apps might have trial versions or require a subscription after a trial period.

Always ensure that you’re downloading apps from trusted sources on the Salesforce AppExchange and carefully review the app’s features and permissions before installing it in your Salesforce organization.