How to add assets in the Asset Browser?

• Extract the .zip file and move the extracted folder to the desired location
• Open Blender and go to Edit > Preferences.
• In the Preferences window, click on the File Paths tab.
• Scroll down to the Asset Libraries section and click on the Add button.
• Browse to the location of your .blend file library and select it.
• Once you have selected your .blend file library, click on the Add Asset Bundle to Library button to add it into the asset library.
  
  Please check out youtube for more tutorials:
  https://www.youtube.com/results?search_query=add+library+file+path+in+the+asset+browser+in+Blender