In the web browser:
Click Home on the left menu bar.
Click the Post an Update box at the top of the screen.
Type out your post.
If you would like to add a photo, click Add Image or Video. Select the photo(s) or video(s) you want to add from your computer. When done, click Open.
Click Post.
In the mobile app:
Tap the Home icon in the bottom navigation bar.
Tap the orange button in the bottom right-hand corner that says + Add Post, or tap the box at the top of the screen that says What would you like to share?
Type out your post.
If you would like to add a photo or video, tap Attachment icon. Select your preferred option from Attach Picture, Attach Video, Take Photo, or Record a Video.
Tap Post.