How to customize the function bar on Mac Touch Bar

in macOS，By default，You cannot directly view the size of a folder in Finder's list mode.。But you can follow these steps to set it up，Makes it possible to display the size of folders in a list： 1.Open Finder and go to the folder you want to view。 2.Select "Show" in the menu bar > "Show Options" (or just use the shortcut Command+J)。 3.In the pop-up options window，Check "Calculate all sizes"。 4.Close options window。 Now，You can see the actual size of the folder in Finder's list mode.。It should be noted that，This setting is for a single folder，If you want to show size in other folders，Need to repeat the above steps。

If your Mac system has been upgraded to macOS Mojave，You may encounter such a situation：Although the "system language" is Chinese，But the user login interface is in English。So，How to change the Mac login interface to Chinese? Two methods are introduced below。 Method one：Change language via System Preferences 1. Open System Preferences，Select "Language & Region"。 2.Drag English to the top of the preferred languages ​​list，Then drag Simplified Chinese to the top。 3.Just restart your computer。 If there is no English option in the list，Please follow the steps below： 1.Click the "+" sign in the lower left corner，Select English and click Add。 2.Click "Use English"，Then drag Simplified Chinese to the top。 3.Just restart your computer。 Method two：Change language via terminal 1. Open Launchpad，Go to the "Utilities" folder，Open terminal。 2. Enter command：sudo languagesetup，Then press Return。 3.Enter the current administrator account password (characters will not be displayed when entering)，Press Return。 4.After displaying the list of available languages，Enter the number before the language you want to use，Then press Return。For example，To use Simplified Chinese，enter 4，Then press enter。 5.Close terminal，Restart your computer。 Through the above two methods，You can easily change your Mac login screen from English to Chinese。Hope this tutorial helps you!

Friends who are new to macOS or running the App after updating a certain system version will be prompted with the message [xxx is damaged]，Can't open，You should move it to the Trash Solution]、【Cannot open xxx，Because it comes from an unidentified developer]，【Cannot open xxxx，Because Apple can't check whether it contains malware] and other tips，Below I will teach you how to fix it。 Several common errors: xxx is damaged，Can't open，You should move it to the Trash Solution Can't open xxx，Can't open xxxx because it comes from an unidentified developer，Because Apple cannot check whether it contains malware, it will prompt a loading failure during installation! Why does it happen? This is a problem with new security mechanisms enabled in macOS。 By default, Apple only allows the installation of apps from its own [App Store].，If you want to install third-party applications，Then you need to go to [System Preferences -> Security & Privacy -> Select the [App Store and Recognized Developers] option in General。Approved developers need to purchase Apple’s enterprise certificate to sign their applications.，Then submit it to Apple for review，This is very unrealistic for cracking applications，Because cracking the application will definitely modify the application's files, causing the signature to become invalid and the running display will be "Corrupted"。In addition, some open source free applications have no income (it is too difficult for users to actively reward)，Therefore, developers generally do not purchase certificate signatures.。 The solution is to enable the [Any Source] option.，However, macOS hides this setting by default.，The user needs to manually execute the command line code through the terminal to enable it.。 Let’s teach you how to use command line code to open any hidden source options.。 To open any source (primary) first open System Preferences -> Security & Privacy -> General tab，Check if the Any source option is enabled。 If this option is not available，Copy the following command：...

on Apple computer，You can easily take screenshots with shortcut keys such as Shift+Command+3 or Shift+Command+4，But by default the screenshot will be saved on the desktop。If you wish to save the screenshot to another location，You can follow these steps： Graphical tutorial on setting the screenshot save location and creating a new screenshot folder： Create a new folder within the user's "Pictures" folder，For example, name it "Screenshot"。You can use Finder in "Users" > Create this folder in "Pictures"。 Open terminal： Search for and open the Terminal application in Launchpad。 Enter command： Enter the following command in the terminal，and press Enter to confirm： defaults write com.apple.screencapture location ~/Pictures/Screenshot/ This command tells the system to save the screenshot to the specified folder (here is the "Screenshot" folder you created)。If you wish to save the screenshot to another location，Just change the path to your desired folder path。 Restart system services： Enter the following command to restart system services，Make changes effective： killall SystemUIServer This will reload the user interface service，Make sure the new screenshot save location setting takes effect。 Now，Your Mac will save all screenshots to the folder you specify (e.g. "Users/Pictures/Screenshots")。Doing this will help you keep your desktop tidy，Allows you to manage and find screenshot files more conveniently