Using Policy Editor (Poledit) on Windows 98 ...
STEP 1 Insert the Win98 CD ROM and locate Poledit.

When you try to launch Poledit it will give the following error message ...

STEP 2 Go to Options/Policy Template...

The Open Template File window appears...

STEP 3 Use the Add... button to add (at least) the following and then click the OK button ...

STEP 4 Go to File/Open Registry.

You should now have access to the registry editing tools ...

(With thanks to Steve Glasson for describing the technique.)