Download the nightly build:
https://processhacker.sourceforge.io/nightly.php
Application menu > Run:

If you're using v2.39 you'll need to manually download and install this plugin instead:
32bit plugin download:
64bit plugin download:
Installation instructions:
#1: Copy the plugin from the zip into your "\Process Hacker 2\plugins\" directory.
#2: Restart Process Hacker.
How to run processes with TrustedInstaller privileges:
#1: Open the Hacker menu and select the "Run as trusted installer..." menu:

You can also manually create processes with TrustedInstaller privileges without installing this plugin:
#1: Select the Services tab and start the TrustedInstaller service.
#2: Go back to the Processes tab and right-click TrustedInstaller.exe
#3: In the context menu, select the Miscellaneous > "Run as this user..." menu item.