16-inch model
- While MacBook is one of the finest machines that usually don't get hiccups, but if you ever had to hard reset your MacBook Pro or Air running OSX, it's easy. Though, I would warn you that when you hard reset MacBook Pro or Air to factory settings (without disc), it will wipe clean everything.
- 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.
Mac Pro, MacBook Pro with Retina display, MacBook Air, Retina MacBook, Security; Note: We may earn a commission when you buy through links on our site, at no extra cost to you. This doesn't affect.
The ultimate pro.
Starting at $2399
New13-inch model
Power to go.
Starting at $1299 Midi software synthesizer free.
13.3-inch
Up to 4-core Intel Core i7
Up to 32GB
Up to 4TB
Intel Iris Plus Graphics
Up to 4TB
Intel Iris Plus Graphics
Up to AMD Radeon Pro 5600M with 8GB of HBM2 memory
Up to 10 hours
Printscreen macbook pro maken. Backlit Magic Keyboard, Touch Bar, Touch ID, and Force Touch trackpad
Backlit Magic Keyboard, Touch Bar, Touch ID, and Force Touch trackpad
Apple Trade In
Get up to $1760 for your current computer.*
Just trade in your eligible computer. It's good for you and the planet.
Free delivery
And free returns. See checkout for delivery dates.
Find the card for you
Get 3% Daily Cash with Apple Card or get special financing.
Check compatibility
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, it's a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
Reformat Macbook Pro Sierra 10.12
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Reformat Macbook Pro Sierra 10.13
Install the macOS installer
How To Reformat A Macbook
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
Follow the onscreen instructions, which will guide you through the steps necessary to install. Top free editing software for pc.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
- If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
- macOS Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
