1) Click on the icon for Flickr Uploader on your desktop:

1a) At this point you may be asked to autorize your account. If so, click the “Authorize…” button. Otherwise, continue to step 2.

1b) Your browser will open. Click on “OK, I’LL ALLOW IT”.

1c) Now you must close your browser and return to the uploader. When you do you will see this. Click “Continue…”.

2) Drag your photo(s) into the uploader.

3) Click “Upload…”.

4) Then click “Finish”.

5) Your photos will now upload.

And you’re done! Click on “See Photos” to view the photos you just uploaded.