How long does it take for cover photo to update

Alright guys, I changed my cover photo and it doesn't seem to update to a picture. Is there a specific site or form that I need to upload? I used imgur for the picture link.

For profile photo, you must first be an approved member.

Detailed construction and knowledge on this subject is available;
https://memoryhackers.org/konular/imza-yerine-gif-ve-ya-resim-koyma.75300/post-1018568
https://memoryhackers.org/konular/member-groups-and-features.87729

You can find the replacement link here.
https://memoryhackers.org/account/avatar

You must be a Super member and above for the cover photo. For detailed information, see.
https://memoryhackers.org/konular/cover-image-eklendi-03-11-2019.81904/