Adobe Acrobat Reader
This is a link to download Adobe Acrobat Reader DC if you require it.
When you click on the above link you will be presented with an Adobe web page.
To the right of the page at the top, you will see this panel:
Click on the Download Acrobat Reader button. You will be asked if you want to Save the file or Cancel. Click on Save. The file will be downloaded to your computer from where you can install it.