How to change units in Web Designer Premium

Hi
I'm using Xara Web Designer Premium 16.1.0.56164 DL x64 Feb 14 2019. Is there any way to change an existing document units from inches or centimeters to pixels? I can't find anything in the page or ruler options. What am I missing?
Thanks

Right click on the page and select Page options then go to Grid & Ruler. Click Help in the Page Options > Grid & Ruler section for more information.

For Pixels, I use Major Spacing: 50px and for Number of Sub Divisions: 10.

Thanks, that did work for the ruler which now is in pixels. However new shapes are still in centimeters. How can I change that?

XWD(P) does not have a change Units option.
However, if you open a template created in XDPX when the units were set to cm/in/etc, any new file keeps these Units.

Perhaps this is what you did at some earlier point?

Open a new file, select everything on the old file page and simply copy across. Pixels restored.

Acorn

Just upgraded to XDPX and it has solved this issue. Thanks