Navigate to the Yahoo Finance website on your preferred web browser. 

Search for the stock or financial data you want to download in the search bar. 

Click on the specific stock or financial instrument to access its detailed information. 

Look for the "Historical Data" tab on the stock's page and click on it. 

Select the date range for the data you wish to download by adjusting the calendar settings. 

Choose the frequency (daily, weekly, monthly) for the data points you require. 

After customizing the date range and frequency, click on the "Apply" or "Download" button. 

Confirm the selected parameters and click on the "Download Data" option. 

Save the downloaded data file in your desired location on your device. 

Once downloaded, you can use this data for analysis, research, or other financial purposes.