Check the original receipt, product listing, or order history
Look for a model name or number printed on the case
Inspect the inside of the case for a manufacturer label or sticker
Check the back, bottom, or side panels for branding or model information
Open the side panel and look near the motherboard tray, PSU shroud, or drive bays
Search the case’s distinctive shape, front panel, and I/O layout online
Compare photos of your case with images on PC case manufacturer websites
Use your PC builder account or email history if you bought it prebuilt
Check the manual or box if you still have them
Take clear photos and post them on a PC hardware forum or subreddit for identification