Solution to error of "53" type encountered in inserting word of mathtype

Reference URL: https://blog.csdn.net/weixin_36564655/article/details/78604456
Regarding the error of not being able to find the MathType.dll or MathPage.wll file, mine is the solution given by the latter "53" error. Change the path in step (2) to the upper layer and finally solve it. That is, Mathpage.will is also copied to C:\Program Files (x86)\Microsoft Office\root\Office16. There are similar failures to learn from