Hi,
Here’s a link to the [http://h10032.www1.hp.com/ctg/Manual/c06422405|maintenance and service guide] for your laptop, taken from this [https://support.hp.com/us-en/product/hp-spectre-15-df0000-x360-convertible-pc/23238160/model/27767218/manuals|webpage].
Scroll to p.38 to view the necessary pre-requisite steps and then the procedure to remove / replace the display assembly.
Also on p.38 you will find the spare part numbers for the various displays available for the laptop.
If you search online by typing the appropriate to your laptop display’s part number ''only'' in the search term of your browser, you will get results for suppliers of the part.
If you wish to verify that you have the correct part number it can usually be found somewhere on the back of the display panel.