In Drupal 7 go to Modules administration and click Install New Module.
Use the “Install from a URL” option, copying in the download link of the latest release from the Privy Drupal module.
Click Install. If it was successfully installed, the next page will look like this:
Click Enable newly added modules to continue.
Scroll down the module list to the “Other” section, and make sure the Privy module is enabled by checking the checkbox. Click Save configuration.
Scroll back down again to the Privy module, and click on the Configure link on the right.
On this page, paste your Privy account identifier, then click Save configuration.
You can get your account identifier from your Privy dashboard.