Disk Graph 3.2.0 磁盘分析工具

Many Mac users may not know，Mac computers have a hidden screen-rotating feature。by rotating the screen 90 degree，You can read e-books or movies while lying down。So，How to rotate the screen on a Mac computer? Let me share with you the specific method below，Let’s take a look together。 1. Open System Preferences •Click on the Apple icon in the upper left corner，Choose to enter System Preferences。 2. Go to monitor settings •In System Preferences，Click on the "Display" option。 3. Select the rotation angle •In the monitor settings interface，Find the "Rotate" option。There are three rotation angles to choose from in the drop-down menu：90 degree、180 degree and 270 degree。After selecting the desired rotation angle，Exit settings to complete。 Notes •If you don’t see the “Rotate” option in your monitor settings，It may be that your computer does not support the screen rotation function。 Go through the above steps，You can easily rotate your Mac screen，Bring more convenience to your use。

In macOS 10.15 (Catalina) and below，The system restricts the installation of non-App Store downloaded applications by default to improve security.。If you need to install third-party software from non-App Store，You can follow the steps below： How to install non-App Store software Note：The following steps only work on macOS 10.15 and below 1. Open "System Preferences" and click the Apple icon in the upper left corner of the screen，Then select "System Preferences"。 2. Go to Security & Privacy settings in the System Preferences window，Click "Security & Privacy"。 3.Unlock Settings In the lower left corner of the Security & Privacy window，Click the lock icon to unlock settings。You will be prompted to enter your administrator password。After entering the password，Click "Unlock"。 4. Allow apps from any source In the "Allow apps downloaded from" section，You will see three options：App Store、App Store and identified developers。Select "Any Source"。(Notice：In macOS 10.15 and above，There may not be this option。If this option is not available，Other solutions you can try，To bypass this restriction, use right-click on a file。） 5. Re-lock settings Click the lock icon in the lower left corner，to lock settings and protect your security settings。 6.Install software now，You can double-click and run apps downloaded from other sources。If you encounter the "Cannot open the application" prompt，Please right click on the application icon，Select "Open"，Then click "Open" to confirm you trust the app。 go through these steps，You can install software from non-App Store in macOS 10.15 and below。

When buying a Mac, many people worry about whether it is an original product.。Here are some ways to help you confirm： 1. Check outer packaging sealing film： •Original sealing film should be flat and smooth，There are three sealing lines on the left and right sides of the barcode and the lower side.。If the sealing film has been removed，There may be obvious traces or incomplete sealing。 2.Check the pores： •The original packaging will have neatly distributed air holes.，This is one of the characteristics of the original sealing film。 3. View barcode： •Real barcodes are legible，Exquisite printing，Usually black print。Barcode is one of the unique identifiers，Make sure it is consistent with Apple’s official records。 4. Confirm machine serial number： •After powering on，Click on the Apple logo in the upper left corner，Select "About this machine" to view the machine's configuration information and serial number.。Check whether the serial number is consistent with the serial number on the box。 5. Query activation status： •Visit Apple’s official device protection service page，Enter the machine's serial number to confirm activation status。If it is displayed as new and unactivated，It means your Mac is genuine。 •Web address：Check out Apple Device Protection with these methods，You can feel more confident that your Mac is authentic，And avoid buying products that have been processed by others。

Many new Mac users don’t know how to type command⌘、Special symbols such as option⌥，Most of the online tutorials are out of date or complicated and difficult to understand.。Today I will share with you a simple and easy-to-understand tutorial，Teach you how to type these special symbols on Mac computers。 1. Open System Preferences •Enter System Preferences，Select "Keyboard"。 2. Enable special symbols option • Check the options in the red box (if already checked, no changes are required)。 3. Display emoticons and symbols •Click the input method icon in the status bar，Select "Show emoticons and symbols"。 4. Custom symbol list •In the pop-up interface，Click the settings gear icon in the red box，Then click "Customize List"。 5. Add technical symbols •In the pop-up interface，Check "⌘ Technical Symbol" in the red box。 6. Type special symbols •Now you can see various special symbols，Double-click the symbol to type it out。 7. Quickly call out symbols •Enter symbols quickly and easily，Follow these steps： •Open System Preferences → Keyboard，Select the "Text" column。 •Press the "plus sign" in the image to add a shortcut code。 • For example： •The input code is “command”，The phrase is "⌘" •The input code is "option"，The phrase is "⌥"