KBar is a paid extension available through aescripts + aeplugins. While KBar v3.1.2 is a free update for existing KBar3 owners, users on older versions can often find upgrade pricing ($20–$30 depending on the previous version). KBar3 for After Effects Tutorial

: Unzip "Download File Kbar v3.1.2 (WIN MAC).zip" to access the installation files. Move to Extensions Folder :

: Internal overhauls have modernized the code for quicker toolbar startup.