MAC application

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。

The Dock is the taskbar on your Mac that holds shortcuts to frequently used applications and folders，Gives you easy access to frequently used features and files。Mastering the setting skills of the Dock bar can significantly improve work efficiency。The following is a comprehensive explanation of the Dock bar setting techniques.： Change size and position 1. Open system preferences： •Click on the Apple icon on the desktop，Select "System Preferences"，Then click "Dock"。 2. Adjust size and position： •Move the mouse to the dividing line of the Dock bar，Do the following： •Click and drag to resize the Dock。 •Shift-click-drag to change the position of the Dock。 •Right-click an empty area in the Dock，You can choose to show or hide、Turn off options such as magnification effects。 Add applications and folders 1. Add application： •Open the Applications folder，Find the app you want to add。 •Tap the application icon，Drag it to the Dock to add。Folders can be added to the right of the dividing line。 •Drag application icons to rearrange their order in the Dock。 2. Keep apps in use： •If the application is using，Right-click on its icon in the Dock，Select "Keep in Dock"。 Remove applications and folders...

1. Quickly hide and show the Dock using the shortcut Command + Option + D，Easily hide or show the application icon bar below the desktop。 2. Invert screen colors using shortcut Command + Option + Control + 8，Switch the screen's color for a better nighttime experience or to accommodate visually impaired users。 3. Quickly view and manage running applications Command-click Tab，Ability to quickly scroll through currently running applications。at the same time，Use Command + Q Quickly exit the current application，Use Command + H Minimize application window。 4. To display the Apple logo, hold down Option in any application + Shift + K，You can type Apple Logo characters。 5. Quickly manage the Trash using Command...

Excel 2019 for Mac is a powerful spreadsheet software，Mastering these keyboard shortcuts can significantly improve your work efficiency： 1. F2 / Control + U: Enter the cell editing state (touch bar Mac needs to adjust the fn function commonly used) 2. Command + C: Copy selected content 3. Command + V: Paste copied content 4. Command + X: Cut selected content 5. Command + Z: Undo the previous action 6. Command + A: Select all content in the current worksheet 7. Shift + click: Continuously select data within a range 8. Command + click: Radio select the cell clicked 9. Command...

The following are some commonly used tips and practical functions about Word Mac： one、Commonly used techniques 1. Remove spaces with one click •Use shortcut keys or find and replace function to delete spaces in documents in batches，For example： •shortcut key：Ctrl + H，Then enter "^w" in the Find what box，Click "Replace All"。 2. Delete blank lines with one click •Delete blank lines in the document，The steps are as follows： •shortcut key：Ctrl + H，Enter "^p^p" in the Find what box，Replace it with "^p"，Click "Replace All"。 two、Practical Tips 1. Delete headers with one click •Use shortcut keys to quickly delete headers，For example： • shortcut key：Ctrl + Shift + N。 2.One-click cutout •Perform image processing and cutout operations in Word： •After inserting a picture，Select the "Format" tab，Then click "Remove Background"，Select the parts you want to keep or delete，Press Enter to complete the operation。 3. Split text with one click • Split text into columns to improve layout： •After selecting text，Go to the "Page Layout" tab，Select "Column"，Then select "Two Columns"。 With these tips and features，You can process and manage your documents more efficiently，Improve work efficiency。Remember to save documents regularly，And keep your documents safe with password protection。

In XMind: ZEN medium，Shortcut keys are an important tool for improving drawing efficiency。Master these commonly used shortcut key combinations，It allows you to flow freely on the keyboard，Quickly draw mind maps。 document (File) File shortcut keys are used to operate on the entire file，Common functions include saving、Open、Close and create new etc.。 •Save the current mind map •Shortcut keys：Command ⌘ + S (Mac)，Ctrl + S (Win) •usage：Directly press the key to save the current file，Avoid unexpected file loss。 •Create a new mind map •Shortcut keys：Command ⌘ + N (Mac)，Ctrl + N (Win) •usage：Quickly create new mind map files，Choose from a built-in theme or create one from the gallery。 insert (Insert) Insert shortcut keys for adding rich theme elements，as marked、Label、hyperlink、Accessories, etc.，to express complex logic and rich ideas。 •Insert subtopic •Shortcut keys：Tab (Mac/Win) •usage：Press the Tab key after selecting the topic，Quickly insert subtopics。With the Enter key (Return(Mac)/Enter(Win)) to quickly enter content。 •Insert contact •Shortcut keys：Shift ⇧+ Command...

Many users who are new to macOS may find that their operating habits are different from those they used to do with Windows.。Understand and become proficient in using the following commonly used macOS keyboard shortcuts，Can help you improve work efficiency： cut、Copy and paste •Command-X：Cut selected items and copy to clipboard。 •Command-C：Copy selected items to clipboard。 •Command-V：Paste the contents of the clipboard into the current document or application。 •Command-Z：Undo the previous command，Can be redone using Shift-Command-Z。 •Command-A：Select all。 •Command-F：Find an item in a document or open a Find window。 Window Management •Command-M：Minimize the frontmost window to the Dock。 •Command-W：Close the frontmost window。 •Command-Tab：Switch between open applications。 Screen capture and recording •Shift-Command-5：In macOS Mojave or later，Take a screenshot or record your screen。 •Shift-Command-3：Take a screenshot of the entire screen。 •Shift-Command-4：Take a screenshot of the selected area。 File manipulation and navigation •Command-N：Open a new window or tab。 •Command-Delete：Move selected items to Trash。 •Command-D：Copy selected files or folders。 System Operations •Command-Q：Exit current application。 •Option-Command-Esc：Force quit current application。 •Control-Command-Q：Lock screen now。 View and adjust •Command-Spacebar：Show or hide the focused search bar。 •Command-comma (,)：Open the preferences for the front application。 •Command – dispatch center：Show desktop。 Text Editing and Formatting •Command-B：Bold selected text。...

Operation steps 1. Back up important data：before starting，Be sure to back up your important data。Although partition resizing is generally safe，But the risk of data loss is always there。 2. Open Disk Utility： •Open Finder。 •Go to the Applications folder。 •Open the Utilities folder。 •Find and open Disk Utility。 3. Select disk：Select the hard drive or volume you want to resize in the list on the left，Make sure you select the entire hard drive and not a partition。 4. Resize partition： •Click the "Partition" button in the toolbar。 •In the pop-up window，You will see the partition chart of your current hard drive。 •Hover your mouse over the divider line of a partitioned chart，You can see a two-way arrow。 • Drag dividers to resize partitions。You can drag left or right，Expand or reduce partition size as needed。 5.Apply changes： •After adjustment is completed，Click the "Apply" button，Confirm your partition adjustment。 •Disk Utility will start the repartitioning process。this may take some time，The exact time depends on the size you resize and the speed of your hard drive。 6. wait for completion：Once the adjustment is complete，You can close Disk Utility，and start using the new partition settings。 Precautions •Back up data：Before resizing partition，Be sure to back up your data。Although Disk Utility is generally safe，However, any partition operation carries the potential risk of data loss.。 •Irreversible operation：Partition adjustment is an irreversible operation。Once changes are applied，It is usually impossible to revert to a previous state。