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The 2014.4 version introduced several critical enhancements to the Xilinx toolchain: xilinx vivado 2014.4 download
Vivado 2014.4 supports a wide range of 7 series (Artix-7, Kintex-7, Virtex-7) and Zynq-7000 devices. However, it represents a stable snapshot before newer families (UltraScale+, Versal) were introduced. If your design uses older IP cores or third-party interfaces validated only on 2014.4, upgrading is not trivial. Log out and log back into your AMD account