Keep this file as your untouched 'master' copy. Boot normally into either 10.14, 10.15 or Big Sur and drag-and-drop (or Cmd+C, or right-click 'Copy') a copy of ‘Assets.car’ file from ‘BigSur/System/Library/PrivateFrameworks⁩/⁨amework⁩/Versions/A/Resources’ in to a working folder you can easily negotiate to. **Further UPDATE** You no longer need to disable SIP (‘csrutil disable’) or authenticated-root (‘csrutil authenticated-root disable’) in Recovery mode for this ability to change system folder icons. Nathan's micropatcher 0.5.1 ( ) worked from a patched USB stick installer. For me, Hax3 method has worked to install many of the BS Beta versions but failed to work on the final public 11.0.1 version. **UPDATE** You can now do the whole process on just Big Sur if you want to.Įven if you want to install Big Sur on one of Apple’s supported machines, you should read up on how to install this new OS on an unsupported machine - critically as an unsealed (unencrypted) OS in either case. This method assumes that you have Big Sur installed on one drive or drive partition/volume and Mojave or Catalina on a different drive or drive partition/volume (High Sierra 10.13 may be OK too).

for Applications, Library, Utilities, Home etc.) will remain being displayed in the centre of the folder, so that aspect of customising isn’t currently possible (see footnotes). You can change the look of this background folder but the light blue font glyph (eg. Instead, it uses a template folder icon (a PNG image in various pixel sizes and adds various font glyphs on top of it to denote the different types of System folder, or leaves the folder blank in the middle for new/basic folders, like the look of the old GenericFolderIcon.icns file from 10.9 and before. Read on.īig Sur does not use the /S/L/CS/Coretypes.bundle folder icons anymore to display the various System Folder icons. However, just worked out July 31 2020, you ‘can’ globally change the system folder look to a customised one.

LiteIcon will only launch on BS if you alter the ist string from 10.16 to 10.15, which isn’t ideal - so maybe just customise some icons via the Get Info ‘paste or drop image’ method (which leaves an invisible support file inside the app folder or at the drive root level).

No global change to System folder icons possible. LiteIcon 4.1 can now only change individual app and drive icons on BS.

Mac big sur folder icons