There are no known problems on Linux itself, as usual please change the permission on the .AppImage to be able to execute it, then you will be able to use it
Note for ChromeOS users: We currently don't support ChromeOS
Once the app is installed our Windows app will open automatically. Most likely it's downloading the newest update immediately, so give it some 30 seconds to do that.
Login with your usual email and password you used for our website. You will be prompted to also enter your 23andMe email and password (as those are now kept on your computer).