Try these steps if you can't connect to any of these apps:
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- Microsoft Teams is your hub for teamwork, which brings together everything a team needs: chat and threaded conversations, meetings & video conferencing, calling, content collaboration with the power of Microsoft 365 applications, and the ability to create and integrate apps.
- YooSEND - File transfer, Send Big Videos, Share Photos from and to iOS, PC, MAC OSX and Android.
- AppleCare+ for Mac Every Mac comes with a one-year limited warranty and up to 90 days of complimentary technical support.AppleCare+ for Mac extends your coverage to three years from your AppleCare+ purchase date and adds up to two incidents of accidental damage protection every 12 months, each subject to a service fee of $99 for screen damage or external enclosure damage, or $299.
Check the system status page
Check Apple’s System Status page to see if there’s an outage for a service in your country or region.
Make sure that your device is connected to the Internet
Use any Internet browser to connect to any website. If nothing loads, use another device on the same network to see if it can connect to any website. If no other devices can access the Internet, turn off your Wi-Fi router, then turn it on again to reset it. If you still can’t connect to your Wi-Fi network, contact your Internet provider for more help. If only your first device can’t connect to the Internet, get help with Wi-Fi on your iPhone, iPad, or iPod touch, Apple Watch, Apple TV, or Mac.
If you use cellular service to connect to the Internet on your iPhone or iPad, make sure that you have cellular data turned on for the app that you're using. To do this, open the Settings app, tap Cellular, then turn on Cellular Data.
Update your software
Update to the latest version of iOS or iPadOS, macOS, tvOS, watchOS, or software for your non-Apple device. Then try to connect again.
Check the date and time
Make sure that the date and time on your device are set correctly for your time zone.
![Apps Store For Mac Mini Apps Store For Mac Mini](/uploads/1/1/9/5/119586828/708101668.jpg)
On your iPhone, iPad, iPod touch: Open the Settings app. Tap General, then tap Date & Time. Get more help with date and time.
On your Mac: Open System Preferences, then choose Date & Time.
On your Apple TV: Go to Settings > General > Date and Time.
On your Mac: Open System Preferences, then choose Date & Time.
On your Apple TV: Go to Settings > General > Date and Time.
If the date and time are incorrect, update them or turn on the option to set date and time automatically.
If you see a different connection alert message
Use the steps above if you see one of these error messages:
- 'Cannot connect to the iTunes Store. An unknown error has occurred.'
- 'We could not complete your iTunes Store request. The iTunes Store is temporarily unavailable. Please try again later.'
- 'Could not connect to the iTunes Store. Make sure your network connection is active and try again.'
- 'We could not complete your iTunes Store request. The network connection could not be established. There was an error in the iTunes Store. Please try again later.'
Related topics
- If you're connected but you can't download content, change your Apple ID password. You might have to sign out and sign in again. If you're asked to verify your payment information, make sure that all payment details match what's on file with your financial institution.
- If you're connected but you can't download or update apps, pause and restart the app download or restart your device.
- Learn what to try if you also see pop-ups in Safari on your Mac.
- Learn what to do if you see error -45054 on your computer.
- With iTunes for Windows, check to see if you turned on third-party security software or Windows Firewall.
- If you’ve tried all of the above steps and you still can’t connect, contact Apple Support.
Store availability and features might vary by country or region. Learn more about what's available in your country or region.
Reinstall from macOS Recovery
macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu , which is also available in macOS Recovery.
1. Start up from macOS Recovery
To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.
Command (⌘)-R
Reinstall the latest macOS that was installed on your Mac (recommended).
Option-⌘-R
Upgrade to the latest macOS that is compatible with your Mac.
Shift-Option-⌘-R
Reinstall the macOS that came with your Mac, or the closest version still available.
You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.
When you see the utilities window, you have started up from macOS Recovery.
2. Decide whether to erase (format) your disk
You probably don't need to erase, unless you're selling, trading in, or giving away your Mac, or you have an issue that requires you to erase. If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue. Learn more about when and how to erase.
3. Install macOS
When you're ready to reinstall macOS, choose Reinstall macOS from the Utilities window. Then click Continue and follow the onscreen instructions. You will be asked to choose a disk on which to install.
- If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
- If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
- If the installer is for a different version of macOS than you expected, learn about macOS Recovery exceptions.
- If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.
Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.
Imac App Store Online
If your Mac restarts to a setup assistant, but you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.
macOS Recovery exceptions
The version of macOS offered by macOS Recovery might vary in some cases:
- If macOS Sierra 10.12.4 or later has never been installed on this Mac, Option-Command-R installs the macOS that came with your Mac, or the closest version still available. And Shift-Option-Command-R isn't available.
- If you erased your entire disk instead of just the startup volume on that disk, macOS Recovery might offer only the macOS that came with your Mac, or the closest version still available. You can upgrade to a later version afterward.
- If your Mac has the Apple T2 Security Chip and you never installed a macOS update, Option-Command-R installs the latest macOS that was installed on your Mac.
- If you just had your Mac logic board replaced during a repair, macOS Recovery might offer only the latest macOS that is compatible with your Mac.
If you can't get macOS Recovery to offer the installer you want, you might be able to use one of the other ways to install macOS.
Other ways to install macOS
Macbook App Store
- You can also install macOS from the App Store or Software Update preferences. If you can't install macOS Catalina, you might be able to install an earlier macOS, such as macOS Mojave, High Sierra, Sierra, El Capitan, or Yosemite.
- Or create a bootable installer disk, then use that disk to install macOS on your Mac or another Mac.