The fastest way depends on what you're moving and which operating systems you have

Moving everything from an old laptop to a new one takes between one and four hours depending on how much data you have and which method you choose. The three main routes are: using built-in transfer tools (Windows Easy Transfer or Mac Migration Assistant), connecting both laptops with a cable, or copying files manually to an external drive. Built-in tools move your files, user accounts, settings, and some programs all at once. Cable connections are faster for large amounts of data. External drives work if you don't have a cable or if one laptop is much older.

The method that works best for you depends on whether both laptops are the same operating system, how much data you have, and whether you need your programs installed on the new machine or just your files. Windows and Mac have different tools, and mixing the two systems requires a different approach entirely.

Key Takeaways

  • Windows Easy Transfer and Mac Migration Assistant are built into both systems and move files, settings, and some programs automatically — no extra software needed.
  • A direct cable connection between laptops transfers data faster than external drives, especially for files larger than 50 GB.
  • If you're switching from Windows to Mac or vice versa, you can only move files and folders, not programs or system settings.
  • External drives work for any combination of laptops but require two separate copy operations and take longer for large amounts of data.
  • Programs usually need to be reinstalled on the new laptop even when using built-in transfer tools, because licenses are tied to individual machines.

Using Windows Easy Transfer on two Windows laptops

Windows Easy Transfer is built into Windows 7, 8, and 10, and it moves your user account, files, folders, desktop settings, browser bookmarks, and some installed programs to the new machine. You run it on both laptops and connect them with a USB cable or over your home network. The old laptop becomes the source and the new one receives the data.

Start on the new laptop: open Windows Easy Transfer (search for it in the Start menu), select "This is my new computer," and choose how you want to connect — USB cable, network, or external drive. The tool will give you a code. Then go to the old laptop, open Windows Easy Transfer, select "This is my old computer," enter the code, and choose what you want to transfer. You can select individual user accounts, specific file types, or everything. The transfer runs in the background and can take several hours if you have a lot of data.

One important limitation: Windows Easy Transfer does not move your installed programs themselves, only a list of them. You will need to reinstall programs on the new laptop, though having the list makes it easier to remember which ones you had. Licenses for paid software are usually tied to your old machine, so you may need to deactivate them there and reactivate them on the new one.

Using Mac Migration Assistant on two Mac laptops

Migration Assistant is built into all modern Mac operating systems and works similarly to Windows Easy Transfer. It moves your user account, files, applications, settings, and email accounts. You can run it over a network connection, using a USB cable, or by connecting the old Mac in Target Disk Mode (which makes it appear as an external drive to the new Mac).

On the new Mac, open Migration Assistant (in Applications > Utilities), select "From a Mac, Time Machine backup, or startup disk," and choose your old Mac from the list. If the old Mac doesn't appear, make sure both are on the same Wi-Fi network and that Migration Assistant is also running on the old machine. Select what you want to move — you can transfer everything or pick specific user accounts and folders. The process can take several hours depending on how much data you have.

Unlike Windows, Migration Assistant does move your installed applications to the new Mac, so you won't need to reinstall most of them. However, some older programs may not work on newer versions of macOS, and you should check compatibility before starting the transfer. Also, if you have a very old Mac and a very new one, the transfer may not work at all — check Apple's support pages for your specific models.

Transferring data between Windows and Mac laptops

If you're switching from one operating system to the other, you cannot use Easy Transfer or Migration Assistant. You can only move your files and folders, not programs or system settings. The simplest method is to use an external drive or cloud storage.

Connect an external drive to the old laptop and copy your Documents, Desktop, Pictures, Downloads, and any other folders you need. Then connect the same drive to the new Mac or Windows laptop and copy those folders to the new user account. This works for any combination of systems and takes as long as a regular file copy would — usually 30 minutes to several hours depending on how much data you have.

Alternatively, you can upload your files to a cloud service like OneDrive, Google Drive, or Dropbox on the old laptop, then download them on the new one. This is slower for large amounts of data but doesn't require an external drive. Keep in mind that programs do not transfer between Windows and Mac at all — you will need to buy or download the Mac version of any software you want to use.

Using an external drive when you don't have a cable

If you don't have a USB cable that connects both laptops, or if one of them is very old, an external hard drive or SSD works for any combination of systems. Plug the drive into the old laptop, copy your files and folders to it, then plug it into the new laptop and copy everything to the new user account. This takes longer than a direct connection but works reliably.

Use an external drive that is at least as large as the amount of data you're moving. If you have 200 GB of files, you need a 200 GB or larger drive. Format the drive as exFAT if you're moving between Windows and Mac, because both systems can read and write to exFAT. If both laptops are Windows, NTFS works fine. If both are Mac, use Mac OS Extended or APFS.

The main drawback is that the copy process happens in two stages — old laptop to drive, then drive to new laptop — so it takes roughly twice as long as a direct connection. For a 100 GB transfer, expect 2 to 4 hours total. For very large amounts of data (over 500 GB), a direct cable connection is significantly faster.

What happens to programs and licenses when you transfer

Most programs do not transfer automatically, even when using built-in tools. Windows Easy Transfer may move a few programs, but most will need to be reinstalled on the new laptop. Migration Assistant on Mac does move applications, but older programs may not work on newer versions of macOS.

Software licenses are usually tied to your old machine or to your account with the software company. Before you transfer, check whether you need to deactivate licenses on the old laptop. For Microsoft Office, Adobe Creative Suite, and other subscription software, you typically sign out on the old machine and sign in on the new one. For older software with a single license key, you may need to contact the company to transfer the license.

The easiest approach is to make a list of all the programs you use before you start the transfer, then reinstall them on the new laptop from scratch. This ensures they are properly licensed and compatible with your new system. Most programs are free to download — you just need your license key or account login.

Checking that everything transferred correctly

After the transfer completes, spend 15 to 30 minutes checking that your files, settings, and accounts are all present on the new laptop. Open your Documents, Desktop, and Downloads folders to make sure the files are there. Check that your email account is set up and your inbox loads. Open your web browser and verify that your bookmarks and saved passwords are there.

Test a few of your most-used programs to make sure they work. If you used Easy Transfer or Migration Assistant, your desktop background, mouse settings, and other preferences should be the same as they were on the old laptop. If anything is missing, you can go back to the old laptop and copy those files or settings manually.

Once you've confirmed everything is working, you can back up the new laptop and retire the old one. If the old laptop still has sensitive data on it, wipe the hard drive completely before selling or recycling it — simply deleting files is not enough to remove them permanently.

Frequently Asked Questions

How long does it take to transfer everything?

Transfer time depends on how much data you have and which method you use. A direct cable connection or Migration Assistant typically takes 1 to 4 hours for 100 to 500 GB of data. An external drive takes roughly twice as long because the data is copied in two stages. Very large transfers (over 1 TB) can take 8 hours or more.

Do I need to buy a special cable to connect the laptops?

Not usually. Most modern laptops use USB-C or Thunderbolt, and a standard USB-C cable works for file transfer. Older laptops may use USB 3.0 or Thunderbolt 2, so check your laptop's ports before buying a cable. If the ports don't match, an external drive is your best option.

What if my old laptop is too old to run the transfer tool?

If your old laptop is running Windows XP or earlier, or Mac OS X 10.4 or earlier, the built-in transfer tools may not work. Use an external drive instead — plug it into the old laptop, copy your files manually, then plug it into the new one. This works regardless of how old either laptop is.

Can I transfer my programs and keep them working on the new laptop?

Programs rarely transfer successfully between laptops, even with built-in tools. The safest approach is to reinstall them on the new laptop. Make a list of what you had, then download and install each program fresh. This ensures they are compatible with your new system and properly licensed.

What should I do with my old laptop after the transfer?

Before you recycle or sell it, wipe the hard drive completely to remove all your personal data. Use the built-in tools: on Windows, use Reset this PC with the "Remove everything" option; on Mac, use Erase Mac. Simply deleting files leaves them recoverable by someone with the right tools.