I don't have a laptop, but I do have windows, so here;
1. Press f2 to take a screenshot in-game
2. In chat, there should be an underlined text labeled screenshot with the date and time included, click it
3. Once the image has loaded, click the ". . ." icon in the top right corner, there should be a drop-down with "Copy Image" in it
4. Select that, then paste in your desktop
5. Once pasted, select your Support Ticket and minimize the page so that you can see the pasted image in your desktop
6. At the bottom of the ticket, there should be an area where you can type a description of the incident, drag and drop the photo into that
7. If it doesn't say the file is too large, just click the insert images as full pictures at the bottom of the screen
If the file is too large,
8. Right click the image in the desktop
9. Select "Edit"
10. Resize the image until it lets you upload it to the ticket