Tex

(unless (assoc "PDF Tools" TeX-view-program-list
  (add-to-list 'TeX-view-program-list
           '("PDF Tools" TeX-pdf-tools-sync-view)))
(add-to-list 'TeX-view-program-selection
          '(output-pdf "PDF Tools"))

(setq TeX-view-program-selection '((output-pdf "PDF Tools")))

;; Update PDF buffers after successful LaTeX runs
(add-hook 'TeX-after-TeX-LaTeX-command-finished-hook
         'TeX-revert-document-buffer)