2. Open the menu

3. Select your portal

4. Click the "+" button in the bottom right

5. Click "Post"

6. Give your post a description

7. Click "Add File or Image"

8. Choose the file you wish to attach

9. Click "POST"

10. Click post options

11. Click "Edit Post"

12. Make changes

13. Click "SAVE POST"

14. You have created and edited a post!