How to enlarge the ppt of Tencent host

How to enlarge Tencent's host ppt is as follows:

Computer side:

In the live video broadcast, move the computer mouse to the upper right of the conference interface and click the "Full Screen" icon.

Next, you will see an arrow direction button in the interface of Tencent Conference. Click this button.

If you want to enlarge the host's * * * enjoyment screen, click the "Full Screen" icon at the top right of the computer version of the * * * enjoyment screen interface to realize one-click full screen viewing.