Easy to know if you reach the minimum requirement or not
When you played before, did you use mods ?
If yes, you uninstalled the game using the launcher, that's all ?
If it's the case, you maybe have to perform a clean install of the game :
Welcome to CD PROJEKT RED Technical Support! Here you will find help regarding our games and services, as well as answers to frequently asked questions.
support.cdprojektred.com
If no (i.e never), try to verify the game files at first :
Welcome to CD PROJEKT RED Technical Support! Here you will find help regarding our games and services, as well as answers to frequently asked questions.
support.cdprojektred.com
Then if nothing, try all the steps provided by the support :
Welcome to CD PROJEKT RED Technical Support! Here you will find help regarding our games and services, as well as answers to frequently asked questions.
support.cdprojektred.com