Similar to AnyDesk, looking for older versions of TeamViewer (e.g., v5, v6) might provide compatibility, though these are also hard to find.
Successfully launching AnyDesk on Windows 2000 is only half the battle. Maintaining operational functionality introduces several severe roadblocks. Security Framework Mismatch Anydesk For Windows 2000 32 Bit
Windows 2000 may require KernelEx or specific service packs ( SP4cap S cap P 4 Similar to AnyDesk, looking for older versions of