Win10 game error /flower screen /can not maximize how to do

Many Win10 users found that in the Win10 system, some old games are developed for the earlier version of DirectX version, in Windows10 default settings can not be perfectly compatible, open the game will appear Reporting errors, flashing, smashing, not being able to maximize the game or not being able to window the game, you can use the following method to easily open support for the old game in Win10.
Operation:
1. Enter "<; enable or disable Windows function" in the taskbar search box to open the found item;

2, find the "old version" in the Windows function ”, expand, check the “DirectPlay” function, click “ OK”;

3, wait for the system to automatically search for the required files and enable this feature.

After completion, try running the old game to see if it has returned to normal?