https://www.amd.com/en/support
Choose your model, they are the last drivers that will be made for your Legacy card.
AMD Radeon™ Software Support for Legacy Graphics Products
My PC- Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T.