Google Authentication is deprecated for UWP apps 1st of February. This means that the Sign in with Google won't work anymore in Concepts for Windows.
If you have created an account with Sign in with Google then please update to our 2023.1.5 release that will direct you to create a password so you can continue using your Concepts account with email sign in.
If you are having trouble signing in with your Google Account on Concepts for Windows, please follow these steps:
1. Update to 2023.1.5 via the Windows Store
2. Go to the Account Screen by tapping the profile icon in the status bar
3. Tap "Sign in With Google" -> Typing field appears
4. Type in your Google Account email (password reset link is sent to your email)
5. Follow the link and set a password for your account
6. Sign in with Email and the newly created password