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Simply install the new driver without uninstalling the old one.
If you encounter an error message about validation or sth. else install the desired driver via "have disk method" as described at:
(ignore prolog about MS surface)
Don't restart immediately after installation, instead hit WINDOWS+CTRL+SHIFT+B to reset GPU and check the driver version.
If you now see the new version and after next restart the old one, then sth. is wrong with your rig.
Indeed OpenGL 4.5 is mandatory according to: Support : No Man's Sky
I crash to desktop after Initialise white screen
This is often caused by running on Intel GPUs, which are not currently supported.
If you have an NVidia or AMD driver, please ensure you have latest drivers and your card supports OpenGL 4.5
Until NVidia and AMD update drivers NMS might accidentally select the embedded/weak/low-power GPU. If you have more than one GPU make sure set NMS.exe to High Performance in their respective GPU management programs.
In particular, getting a Title Screen with just a black background and the words “No Man’s Sky” followed by a crash is normally an indication of not meeting GPU and OpenGL 4.5 requirements. Make sure drivers are up to date, and that your machine is above min spec.
Thanks, that's it :-)
I assume you refer to the driver installation.
Can you actually run the game now?
If you want to double-check OpenGL 4.5 conformity, try: UNIGINE Superposition Benchmark