From the Admin Panel, go to Social Network and then Posts or Pages.
Create New Post
If you are on Posts, click on New Post.
Browse/Insert an Image
You can click on Browse from the Image section or Insert Image button from the Content section.
Create Page
If you are on Pages, click on Create Page button.
Insert an Image
You can click on the Insert Image button from the Content section.
Select or Upload Image: You can either choose or drag & drop your files from your computer.
Select from Media Gallery
You can select previously added images directly from your Media Gallery and add them to your pages and posts.
Update Images
You can edit/update your media details. Media details include the title, alt text (for images), and metadata (like type and upload date) of the media file.
To edit these details, in the Media Gallery, click on the media file you want to edit, make changes, and click Update.
You can also remove the images from Delete.