Here tells how to automatically shrink or enlarge the screen to fit the current window size during remote session.
AnyViewer, a considerate and professional remote desktop software, enables you to remotely control a computer that is running Windows 11, 10, 8.1, 8, 7, Windows Server 2022, 2019, 2016 or 2012 R2.
Once you take the control of the remote computer over AnyViewer, you can see the desktop of the remote computer. And you can change click the "Adaptive" icon to automatically enlarge or shrink the screen to fit the current window size.
If you want to keep the original size of the screen, you can click the "Original" icon.