You can choose to upgrade Nightfall DLP for Salesforce from one of the following methods.
Upgrading the Nightfall package is the same as that to install Nightfall package for the first time in a Salesforce org. To upgrade from Nightfall’s console,
Login into Nightfall console https://app.nightfall.ai
Select Salesforce under My Integrations.
Click Add Org (In the following image three Salesforce orgs are already configured. If you are adding a Salesforce org for the first time, you will not see any org added).
Select either Production or Sandbox options. You must select the option in which you wish to upgrade the Nightfall for Salesforce DLP.
Click Continue.
Click Install.
Login to the Salesforce environment in which you wish to upgrade the Nightfall DLP.
Select Install for Admins Only to install the upgrade package only to Salesforce admin users.
Click Upgrade.
Once the upgrade is completed, you can view the following screen. Click Done.
To upgrade from within Salesforce
Navigate to the Salesforce App Exchange site.
Login to your Appexchange account.
Use the search bar to find the Nightfall app.
Select the Nightfall - Data Security and Compliance app.
Click Get It Now.
Select the connected Salesforce Production or Sandbox org in which you wish to upgrade the package.
Click Install in Production or Install in Sandbox, based on the selection you made in the previous step.
Agree to the Terms and Conditions check box and click Confirm and Install.
You are redirected to the Salesforce login page.
Log in to the selected Salesforce account you selected in step 7.
Select Install for Admins Only to install the upgrade package only to Salesforce admin users.
Click Upgrade.
Once the upgrade is completed, you can view the following screen. Click Done.