TotalFinder for macOS is installed as a standalone application. It does not modify your Finder files on the disk. Please keep in mind that the app is an add-on which gets loaded into the Finder when you launch TotalFinder.app. To remove TotalFinder from your system, run the uninstaller found on the latest dmg download of TotalFinder.TotalFinder for Mac works like the original Finder but adds tabs, dual panel mode, folders on top and other useful features. It will also disallow other kinds of modifications (such as replacing parts of the system on disk). However, in macOS 10.11 (El Capitan) and later the macOS developers added a feature that disallows this kind of modification even if you have administrator access. You only have to quit Finder via Command+Option+Esc, and the Finder will restart and everything will be as if TotalFinder was never running. This is relatively safe - in fact we do not change any part of macOS on the disk. This means we add some additional code to the Finder program whilst it is running to do what we need. In order to change some features of Finder, we use a technique called code injection. TotalFinder works by altering the built-in system application Finder.app. That is no longer possible in recent macOS releases due to hardened security settings. In earlier macOS versions it was possible to turn SIP off only to complete TotalFinder installation steps and enable it back again. Unfortunately you have to keep SIP disabled to allow TotalFinder. Reboot your machine and you may install and run the latest version of TotalFinder. Then select Terminal from the Utilities menu. You do this by restarting your machine, and holding Command+R until the Apple logo appears. This document explains SIP-specific steps. Please check the TotalFinder installation page for general installation steps. TotalFinder will guide you through the process via notification dialogs. How to install TotalFinder by turning off System Integrity Protection So any app which relied on Library Validation might be less secure. But please note that Library Validation is disabled system-wide. This will allow injection of TotalFinder code in Finder. Finder didn’t participate in this prior macOS 11.0.Ĭurrently in beta macOS 11.0 users can disable Library Validation using this command in Terminal.app: sudo defaults write /Library/Preferences/.plist DisableLibraryValidation -bool true This feature is called “Library Validation” and was first introduced in macOS 10.10 (Yosemite). That means that system prevents injecting or loading any code which is not signed by Apple developers. The Finder binary is newly marked as a “platform binary”. What is different in macOS 11.0 (Big Sur)? It is entirely your decision to modify the settings. Your machine may be less secure when you disable extra security features. If you decide to modify the settings, you will be able to install TotalFinder. This article can help you how to configure your machine to allow TotalFiner installation by modifying security setting. TotalFinder has support for macOS 11.0 (Big Sur), but cannot run on a normally configured machine due to System Integrity Protection (SIP). You might want to read this blog post for historical context. If you have previous macOS version please refer to previous macOS SIP instructions. This page describes macOS 11.0 (Big Sur) specific information. TotalFinder with System Integrity Protection TotalFinder with System Integrity Protection
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