I’m not sure I understand why these are so hard to find and download, but here is a link to the drivers for these cards:
Realtek_10gNIC_Install_PCIE_Win11_11.11.1206.2022_03202023 – Windows 11 Driver Download
Network Interface Controllers > 2.5G Gigabit Ethernet > PCI Express
RTL8125 / RTL8125B(S)(G)
Network Interface Controllers > 10/100/1000M Gigabit Ethernet > PCI Express
RTL8111B/RTL8111C/RTL8111D/RTL8111E/RTL8111F/RTL8111G(S)/RTL8111H(S)//RTL8118(A)(S)/RTL8119i/RTL8111L/RTL8111K
RTL8168B/RTL8168E/RTL8168H
RTL8111DP/RTL8111EP/RTL8111FP
RTL8411/RTL8411B
Network Interface Controllers > 10/100M Fast Ethernet > PCI Express
RTL8101E/RTL8102E/RTL8103E/RTL8105E/RTL8106E/RTL8107E
RTL8401/RTL8402