1. Download the imageJ, https://imagej.net/Fiji/Downloads

2. Unzip the

3. Installing a plug-in
(1) https://imagej.nih.gov/ij/plugins/index.html download plug-in you need. Open Toolsets or tools.

![在这里插入图片描述](https://img-blog.csdnimg.cn/20201013153831165.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTI0MjEyOA==,size_16,color_FFFFFF,t_70#pic_center)

(2) click to open the required plug-in: copy content;

(3) create a.txt file under macros folder;

open image j, click on the top plugins-new-macro,
in the macro interface open. TXT file
copy the TXT content before opening to the open. TXT blank interface

（4）ImageJ菜单栏单击 Plugins-Macros-Install；选择刚刚创建的.txt文件，打开，安装完毕！