据外国论坛的方法 可以打开物理！！！！

东热映画

Signing in works, despite that little warning, just use a new account if you are worried about being banned, also PhysX was pretty easy to enable via BMEngine.ini
(PhysXLevel=0 changed to PhysXLevel=2 or 1 if you want it on low) 原文
大意就是 修改via BMEngine.ini文件
修改PhysXLevel=0 changed to PhysXLevel=2 or 1  2是高 1是低 0应该就是关了
有兴趣的可以试试！！
反正我的显卡没那么吊 物理不打算开了！