Hello,
The header has only 3 header areas + header banner. Looking at your header I could offer you to move the slider to the header banner area https://prnt.sc/1wtsiwg and use the block to create promo banner https://prnt.sc/1wtsymc
After that, you’ll be able to remove the promo banner element from the header area (because you placed that to header banner area) and use the bottom header for your needs https://prnt.sc/1wtt9jj
Regards
Regards