I've extracted a key phrase from your text: 'Dropbox 187.4.5691 download the new version for mac'. I understand that you're looking for information on how to download the latest version of Dropbox for Mac.

According to my knowledge, Dropbox is a cloud storage service that allows users to store and synchronize files across multiple devices. To download the latest version of Dropbox for Mac, you can follow these steps:

1. Go to the official Dropbox website: 'www.dropbox.com'(http://www.dropbox.com)

2. Click on the 'Download' button at the top-right corner of the page.

3. Select 'Mac' as your operating system and click on the download link.

4. Wait for the installation file to download, then run the installer and follow the prompts to install Dropbox.

As for the other text you provided, it appears to be a collection of articles or reviews about various software applications, including Safari, WhatsApp, Desktop Central, and Dropbox. If you have any specific questions or need help with any of these topics, feel free to ask!