This isn't a regularly serial number of Photoshop. It's a 24digit number, 4 digits in 6 groups.
Are you sure that you have the right number? Normally you'll find it on the cover of the installation CD/DVD.
Maybe it's a redemptiom code. In this case you have to change into a official serial number.
My System: Intel i7-8700K - 64GB RAM - NVidia Geforce GTX 1050 Ti - Windows 10 Pro 22H2 -- LR-Classic 12.2.1 - Photoshop 24.3 - Nik Collection 5 - Topaz Sharpener AI