Hi Alma,
Go to Settings -> Permalink -> the delete whole text in the custom structure text box https://imgur.com/a/yKTp4
/{07ae20bd157e04ec961cb23af1c5e85834349e7a8a44dde5763c605ba57e9b94}category{07ae20bd157e04ec961cb23af1c5e85834349e7a8a44dde5763c605ba57e9b94}/{07ae20bd157e04ec961cb23af1c5e85834349e7a8a44dde5763c605ba57e9b94}postname{07ae20bd157e04ec961cb23af1c5e85834349e7a8a44dde5763c605ba57e9b94}/
Wordpress added new tags for custom structure so simply add the new structure to suite your needs, example /%category%/%postname%/
Like this https://imgur.com/a/5G8ml
NOTE: We just updated our Clean quickstart for wordpress, simply redownload via customer area
Thank you
