And this is a good time to decide which of the many apps in your Applications folder you want to keep. Sound alerts, display options, keyboard settings – all of it will be reset to factory settings. If so, don’t copy them. Get an iPhone 12 mini + Unlimited Data for $60/mo. Open Mail on the new Mac. Sync your iOS devices to the new Mac, allowing them to be backed up. Download the relevant macOS or OS X installer from Apple, then use Terminal to create a USB installer you can boot up from. Once the installation is complete, you can use Migration Assistant to transfer data from your old drive to the new one. Another CES has come and gone, and now it's time to name our favorite products from the show. While I like that my MBP is clean (it feels like running a brand new computer), I don't like that I have to download every app that I need for work. This is because many apps store invisible files on your Mac for registration purposes, and you haven’t copied these. Now, open CleanMyPC.exe and follow the instructions to install the application on your computer. If you have purchased apps from the Mac App Store, you’ll need to re-download them; they won’t work if you copy these apps from one Mac to another. You should have a current backup before you begin the Migration Assistant process. If you are too busy to spend time re-downloading apps and retweaking your system settings, a standard installation makes more sense than starting from scratch. In that case, as long as you still have the Mac OS Installer, you can skip the backup step. Here’s what you need to copy after a clean installation: Applications: macOS installs a number of applications, many of which you probably use every day. A fresh backup never hurt anyone. Here’s how to migrate your files to your new Mac, or do a clean installation, and the pros and cons of both methods. To summarize, if you focus on computer performance, clean install Windows. Any apps you previously downloaded on Mac can be redownloaded right from the Mac App Store. Everything is new and you get to decide where to put the furniture. Click that header, to sort in date order. At first, you'll have to reenter passwords in Mail, sign back into iCloud and readjust your settings, redownload pictures in the Photos app (or redownload iCloud versions of them if you store the originals somewhere else), and a lot of other small, but time-consuming things. Connect two Macs using a Thunderbolt or Ethernet cable, or make sure they are both connected to the same wi-fi network. You may need to go back into that folder and copy some other files to the new Mac. On your new Mac Open Migration Assistant, which is in the Utilities folder of your Applications folder. Select the first one, which reads From a Mac, Time Machine backup, or startup disk and click Continue. Speaking of which: Don’t use Wi-Fi. What are your plans for macOS Big Sur? A clean install means erasing all data on a hard drive, and then installing a fresh new installation of MacOS Mojave to that Mac. If you're looking for a new Mac, check out our list of our favorite MacBook models of the year. Install applications and utilities This is the part that almost put you off making a clean, manual migration - installing your apps. Use Migration Assistant You're now ready to use Migration Assistant to move your files from the old Mac to the new one. The idea behind a clean install is to start with a completely bare machine, getting rid of any old data, files, preferences, settings, old drivers, apps you no longer use, and so on. The exception: if you just performed a clean install of the Mac OS and haven’t made any changes yet. Erased. Sign up now to get the latest news, deals & more from iMore! In this article we will tell you how to move OS X El Capitan to a new SSD disk. I have used SA for 10 years with all of my Macs with zero ill effect. What have you done previously? Here are some of the folders that you want to copy from the old Library folder to the new one; though if you sync a lot of data with iCloud, then many of the folders below will already be populated with your up-to-date data: There’s a lot of important data in the Application Support folder. For this reason you should absolutely not delete your old backup, and especially the ~/Library folder. Anyway, I'm super paranoid about my itunes/iphoto/iweb files and I was thinking about doing a clean install of snow leopard then using the migrate assistant to get that stuff back on using a time machine backup. Kirk McElhearn. This part of the process can be time-consuming, but it can allow you to sift through your files to find what you really need, and slim down your Mac. However, the disadvantage of using the Migration Assistant is that all your files get copied. By default, this folder is hidden, but it contains many files that you should copy. This can be a disadvantage because if you have been upgrading your Macs over the years by installing new versions of macOS over old ones, or migrating data from old Macs to new ones, you’ll have hundreds, even thousands of old files that you no longer need taking up space. You’ll notice, as you start working with the new Mac, that you will need to enter serial numbers for all of the apps that you did not purchase from the Mac App Store. macOS Sierra: Clean vs. Upgrade Install . I'm in a similar situation. From this point of view, a clean install gives you the best performance compared with disk cloning and OS migration. My plan, as others have suggested, is for a clean install. I do, however, suggest that you go through that folder and copy over any files or folders for apps that you do use, especially if, when you launch them, their setup is different. Step 1. Time to upgrade! In many cases, a clean install can improve the performance of a sluggish Mac. etc. Even third-party, non-Mac App Store apps usually have a method to confirm a previous purchase (like a license download code). It's like moving to a new house, with a fresh coat of paint and new flooring. VPN Deals: Lifetime license for $16, monthly plans at $1 & more. I've done both. All of the tweaks and adjustments you've made over the years to your computer will be gone. I usually install macOS updates from scratch on my MacBook Pro and install from a backup on my iMac. With us, you will see how simple and easy you can do this and what advantages you will get. Get an iPhone 12 mini + Unlimited Data for $60/mo, Check out iMore's favorite gadgets and accessories from CES 2021, Apple reportedly has new iMacs, a new display, and new Mac Pros coming, Review: Sonix Magnetic Link is a compelling MagSafe Charger alternative, Great video editing software for your Mac. 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