If you select the third option on the Options page, you'll note that you have several options about either sharing out the help content of your own computer, or installing help files from other systems. Figure 5 shows the options available.
Figure 5. Options for installing and sharing help content.
Why might this be significant? It can be very helpful if you're responsible for troubleshooting both XP Home and Professional versions and want to access both sets of help files from a single system (i.e., you are the computer expert of the family).
If you want to make your own help files available to others:
That's it! Note that you can share out any installed help content, not just the version that applies for your system.
With the help files shared, you could now use another computer and install these files. To do so, start at the "Install and share Windows help" page. Then:
Voila! You can now return to the Help and Support Center at any time and Switch between Help versions with ease. (Use the "Switch from one operating system's help content…" link, but you figured that out already.)
A few caveats in play regarding this help sharing and installation, however: