This is a PWR Commons setup from where you can easily manage versions of PWR Products.
After Successfully adding the remote site settings you can able to see the list of all the PWR Products
in "Setup".
With all the required details e.g.
Installed Version:The version of the PWR Products installed in your salesforce instance
Latest Version: The latest version of PWR products which are publicly available
Required Version: The Required version of Commons for particular PWR Product
Status: The status tells you whether you need an upgrade for the PWR Products or not,
whether the package is not upgradeable, and if no upgrade is required, etc
As shown in the below image
As shown in the above image you can see the list of all PWR products along with their installed version
and the latest version of PWR Products with the required commons version to run the applications and
status.
Status:
Install Now: The Install Now button is used to install the PWR Product in your Salesforce
instance. Only when you have installed the required version of Commons in your Salesforce
instance, you can see the "Install Now" button associated with the product name, and when you
click on it, it simply lets you install the Product
As shown in the above image, you can see the Install Now button enabled for "PWR Forms"
because the required version of Commons for PWR Forms is 1.9 and you have the 1.9 version of
Commons installed in your Salesforce instance, and the Latest Version of PWR Forms is 1.4, so
when you click on the Install Now button, you will be able to install the latest version of PWR
Forms and the Install Now button will be disabled and the Status will appear as "No Upgrade
Required" as shown in below figure
2. Upgrade PWR Commons and then Application Package: For PWR Components, you can
see that the Upgrade Now button is enabled because the required version of Commons is 2.0 and
you have the 1.9 version installed in your Salesforce instance, and then only you can upgrade PWR
Components, which have the latest version, until the Status will be appear as "Upgrade PWR
Commons and then Application Package"
But after the upgradation of the Required Commons, the Upgrade Now button will be enabled for
the Installed Version of PWR Components, and after successfully upgrading the Installed Version
with the Latest Version of PWR Components, the status will appear as "No Upgrade Required"
3. Upgrade Required: The Upgrade Now button lets you upgrade the PWR Products to the latest
version of the latest version that is publicly available As shown in the below image, the Upgrade
Now button is enabled for "PWR Commons" because The latest version of PWR Commons is 2.0;
the installed version is 1.9, so that status will appear as "Upgrade Required"
4. No Upgrade Required: No Upgrade Required status tells you that you have installed the latest a version of the PWR Product along with the latest or the above required version commons is installed in your Salesforce instance as shown in the below image As you can see, in the PWR Rollups Product the required version of Commons is 1.9, and we have the installed version of 1.9, the latest version is 2.3, and the installed version is 2.3, which means you have already installed updated versions so the status will appear as "No Upgrade Required"