

Click on the drop down menu.
If it doesn’t work, click on the drop down menu while being in Desktop Mode.
If it doesn’t work, download the windows executable directly from GOG, then install manually with Heroic. For this you can use a browser in Desktop Mode.
That’s what I’m hoping, too. A collaboration between Valve and Framework, with iFixit for good measure. I’m expecting that the processor and motherboard will be custom designed, but I’m also hoping that the hardware will be repairable and upgradable.