You need to configure you system, Photoshop and you wacom tablet so they all work together in harmony and peace. The versions of Photoshop you are using is very important. If you use any old versions of Photoshop you will need to configure your tablet not to use Microsoft INK API for pen support with Photoshop. You will need to configure newer CC version of Photoshop to use Wintab API and you have to configure Windows 10 Pen and Touch press and hold not to interfere with pen support. I am very surprised you could not fine any information of getting pen pressure to work there are many threads on that subject in this Photoshop forum alone. Google will be able to find others on other sites.
We had this problem with my partner's laptop. Turned out that the windows 10 INK services that run on the operating system root level conflict with some of wacom controls. You'll need to go configure in the Wacom utility and if like our case, disable INK services in the windows control settings.
Do a google search for disabling Windows INK if you think that might be the culprit, it was for us.
Using PS CC 2017
Nothing to configure here in regards to Windows 10 INK services.
I have tried using PSUserConfig.txt with the following contents:
None of these 3 configurations have any affect.
Brush Tool still works with pen pressure,
Spot Healing Brush Tool does not
Most of the Windows 10 INK services references I see are all or nothing. I have some brushes that work and some (Spot Healing Brush Tool) that don't.
I tried disabling using Turn System Icons On or Off to no effect.
Did you have to use the Regedit method?
I have not tried that yet.
Bamboo Ink Stylus, Bamboo Ink Stylus Driver 7.3.4-36 (Win10) won't install because device not found.
Latest Drivers, Windows - Driver 6.3.24-5 (Win 7, 8 and 10*) will install and I get this
But turning the Windows Ink Workspace on or off has no effect.
I also get this:
It doesn't recognize my Bamboo One.
Under Wacom Display Settings I get this:
If I search Wacom for Bamboo drivers, I find nothing. I can try loading all the previous drivers and hope for a hit or search outside of Wacom for drivers, but JJ, I have nothing close to the interface that you (and others) are working with.
I still don't understand why pen pressure works for some brushes and not others.