Hi, and welcome to the DCT forum where help and advice is provided by our team of experts.
To start a new topic:
Select the appropriate category (e.g. Windows 11 Operating System)
Now you'll see an Add Topic button at the top and bottom of the list of threads (see attached image)- click that button.
To Upload an image (images):
Directly under the new topic dialogue box you'll see two groups of buttons
Click the Attachments button and a Select files box will open
From here, you can either drag and drop images into the Select files box or click the Add Files button at bottom left to browse to and select your image(s) - (see attached image)