Are you using (BIM 360/ACC) or local servers ?
Before diving into the download links, it is critical to understand what a "patch" actually does. Autodesk releases several types of updates for Revit 2023:
Reboot your computer after the installation completes to finalize registry changes. revit 2023 patch link
Stay up-to-date with the latest Revit 2023 patches and updates to get the most out of your BIM software.
Since its initial launch, Revit 2023 has received several major updates and hotfixes. Knowing which build you are on helps determine which patch link you need to apply. Revit 2023.1 Update Feature enhancements and performance stability. Are you using (BIM 360/ACC) or local servers
Fixes for unexpected crashes during rendering, syncing, or file exporting.
Alternatively, you can also use the Autodesk Desktop App to check for updates and download the patch: Stay up-to-date with the latest Revit 2023 patches
For a step-by-step walkthrough on locating missing content and applying updates: How to update Revit 2023 Missing Content Library Explained IBU Learning YouTube• Apr 19, 2022 Download Revit Content - Autodesk