Stitch is supported on computers running 32-bit and 64-bit Windows.
You can always download the Windows app by logging in to Stitch through your team's URL on any desktop browser. You'll see a screen prompting you to download the desktop app. Click on the link provided there.
You can also directly download the Windows app by clicking here.
To install the application, run the .exe file and follow the instructions to proceed.
Then, open the application to begin.