Install the free trial, run a full scan, and then click the “Upgrade Now” button inside the software. This leads you to a secure checkout page and automatically applies the key upon purchase.

The developer occasionally runs promotions. Check:

While PC HelpSoft is a legitimate company, some technical experts and Microsoft community advisors suggest caution. Microsoft Learn How to activate PC HelpSoft Driver Updater?

: Ensure the key matches the version of the software you have installed. For example, a Version 7.x key will not work on Version 9.x. JustAnswer Safety and Recommendations

Here is why you should never use a cracked or unauthorized license key: