Before I start, I want to say that I absolutely loved the Palm and Handspring devices I used "way back when."
But I have to ask, why would you want to do this? You need to be clear about what you need/want to sync with your PC and whether the version of Outlook (most likely) would support it if you're using Outlook or if Palm Desktop will install on the machine you have in mind.
If you're thinking about using a Palm-era device with something like Google Calendar it's going to be far more trouble than it's worth. You also cannot get apps practically anywhere for these things these days, and that includes from archives, which have largely disappeared.
For the sort of thing that most Palm-era devices are used for, calendar, tasks/to-do lists, etc., it is possible to buy a low-end prepaid smart phone, and not activate it if you don't want phone service, and use it for that purpose while having much greater ease dealing with "the current world."
Brian AKA Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1803, Build 17134
. . . the presumption of innocence, while essential in the legal realm, does not mean the elimination of common sense outside it. The willing suspension of disbelief has its limits, or should.
~ Ruth Marcus, November 10, 2017, in Washington Post article, Bannon is right: It’s no coincidence The Post broke the Moore story