Easily Migrate Windows 10 to SSD Without Reinstalling OS Now!

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Preparation and Requirements Before Starting the Migration Process

If your SSD is already formatted and ready to be used then you are good to go. You can skip to the next section. But if it is not formatted correctly then make sure you follow the following steps properly.

Formatting SSD

Formatting SSD

To format your SSD on Windows 10 follow these steps

Step 1: Press the Windows button on the keyboard and type “Control Panel”.

Step 2: Go to “System and Security”.

Step 3: Then go to “Administrative Tools”. After that go to “Computer Management” and then go to “Disk management”.

Step 4: Wait for the disk you want to format to appear and then right-click on it and click “Format”.

Step 5: You will now see a dialogue box. In the appearing dialogue box select your preferred “File System”. Make sure it is the same as your hard disk drive (HDD) which is usually NTFS and enter the “Allocation Unit Size” and check “Perform a quick format”.

Step 6: Now click “OK” and it is done.

After formatting your SSD, now restart the computer and you are almost prepared for the migration process.

Requirements

To perform the migration process mentioned below you need to download this additional software named iSumsoft Cloner

How to migrate Windows 10 to (smaller) SSD without data loss?

Technically, there are three parts that need to be done for OS migration to SSD, preparations before migrating, migrating process and boot-up test work after migrating. The following parts detail these sections.

▌ 1. Preliminary work before migration:

▪Connect the SSD to your Windows 10 computer. Normally, desktops have extra disk bay for SSD, yet to migrate Windows 10 to SSD on laptop, you may need an USB-SATA connection cable. 

▪Make sure SSD has unallocated space which is equal to or larger than the used space of the current OS partition. If SSD is smaller than used space of current system drive, you can back up personal files, videos, music, movies, pictures in particular to other places that won’t be transferred to SSD. Do disk clean at the same time to let Windows 10 fit on the new SSD.

▪It is necessary to do hard drive partition defragment before you start clone if you plan to transfer Windows 10 to SSD from HDD.

▌ 2. Steps to move Windows 10 to SSD free

Step 1. Install and open AOMEI Partition Assistant Standard. Click on “Migrate OS to SSD” in the left pane. An introduction about this wizard will come into your sight, read it and click “Next”.

Step 2. Select the unallocated space on SSD as the destination location and then click “Next”.

Step 3. You are able to resize the system partition and change drive on this page. Then a note on how to boot Windows 10 on SSD will pop up. Keep it in mind and click “Finish”.

Step 4. Confirm all operations and now the E: drive is the cloned Windows 10. Then click on “Apply” > “Proceed” to execute the Windows 10 OS migration to SSD. A reboot is required.

▌ 3. Boot Windows 10 from SSD and format old drive

Till now, the Windows 10 OS has been successfully migrated to SSD. When the migrating completes, disconnect the cloned SSD and shut down your Windows 10 computer. Now it’s time to replace old hard drive with cloned SSD. Be careful during the replacement progress, and you may need screwdriver to assist you. If you want to keep the old disk and boot from SSD, you can change boot priority to SSD in BIOS. However, the first way to recommended for a thorough test. To enter BIOS, you can reboot your PC and press a specific key (usually the DELESCF1F2F8F9F10F11,F12 key) constantly. 

After migration, the old Windows 10 OS still exists. To free up and make use of that space, you can format C drive there after you are satisfied with the new running system. Besides, if backed up data before, you may need to restore files from backup.

Video

Step one: Grab Macrium Reflect (free edition)

We’ll be using the application Macrium Reflect to clone your hard drive to your new SSD. When you double-click on the installer, you’ll actually see a screen that looks like a downloading tool rather than your typical application installer. That’s correct. I’m not sure why Macrium Software goes this route instead of just offering up the entire app as a download, but there you go.

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Screenshot: David Murphy

You shouldn’t have to change any options on this screen. Just click the “Download” button and follow all the prompts when it has completed. Once Macrium Reflect loads up, and assuming your new SSD is connected to your desktop or laptop, you’ll see a screen that looks something like this:

Screenshot: David Murphy

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For the purposes of this article, I’ll be wiping my F:\ drive (“Tiny Game Drive”) and pretending I’m cloning my primary drive, C:\, over to it. (I accidentally deleted my screenshot that showed F:\ as empty, so let’s play pretend for a moment.)

Why Migrate Windows 10 to SSD

Now two pieces of best SSD upgrade software Windows 10 has been introduced. Some of you probably want to know the reason for transferring your OS to SSD. Here let’s analyze this question in two aspects and help you learn OS migration to SSD well.

 Why Use SSD for OS Disk

If your computer is struggling to load some large files or documents and run many applications at the same time or you want to speed some things up a little, upgrading your old HDD drive to a solid state drive (SSD) is the surest way. Why?

It is because of the merits of SSD. Compared to HDD, SSD has many advantages, for example, it doesn’t have noise and moving parts, it is less likely to get damaged. Above all, the read-write speed of SSD is very fast. In order to speed up your computer, using an SSD as OS disk will be a good choice.

 Why Do OS Migration

Suppose you have installed Windows 10 on an HDD, but now you want to boot your computer from SSD for the best performance. In this case, usually, the simplest way is to perform a clean installation on the SSD. Nevertheless, this way is not the best solution. What’s the reason?

In a word, OS fresh installtion is very time-consuming and troublesome since you need to install applications once again and data saved on C drive will be lost.

If you wouldn’t like to make a fresh OS installation on an SSD, there is a way to move the already installed Windows 10 to SSD without reinstalling OS. You can choose to migrate Windows 10 to SSD.

Note: After reading so much information, some of you may ask: how to install an SSD without reinstalling Windows? As for this topic, you can also connect the SSD to your computer and then use MiniTool software to move Windows 10 to SSD or clone HDD to SSD to do this work.

Further Reading & FAQs on Migrating Windows OS to SSD

1. How to migrate OS to a smaller SSD?

As long as your smaller SSD has equal or a larger space than your OS drive – C: and system drive, you may directly apply EaseUS Partition Master to migrate OS:

It also applies to clone OS from larger HDD to smaller SSD without reinstallation

  1. Step 1. Connect new SSD to PC via SATA cable.
  2. Step 2. Run EaseUS Partition Master and select “Migrate OS to HDD/SSD” at the top menu.
  3. Step 3. Select smaller SSD as the target disk and click “Migrate” > “Next”.
  4. Step 4. Customize the target drive – adjust the partition size, you may leave more space for C drive on new SSD, click “OK”.
  5. Step 5. Execute operation to start the OS migration.
  6. Step 6. When the process completes, restart the PC and enter BIOS to set OS boot from new SSD.

2. How do I move my C drive to a new SSD?

There are two ways that you can move the C drive to a new SSD and make sure that the Windows system can boot successfully.

One way is to apply EaseUS Partition Master and follow the OS migration guide on this page for help. The other way is to apply EaseUS Windows backup software – Todo Backup with its system clone feature to clone system C drive, migrating to the new SSD. You may also follow the video for help:

3. How do I clone a small SSD to a larger SSD?

To optimize the computer’s working efficiency or speed up the OS, it’s necessary to move or clone the old SSD data including the system into a larger SSD.

To avoid data loss while cloning SSD to larger SSD in Windows 10/8/7, EaseUS software provides you a simple and powerful disk clone software here for SSD cloning. This tool allows users to clone the disk without losing any data or reinstalling OS. EaseUS Todo Backup will help.

For more details, please refer to Clone SSD to Larger SSD.

4. How do I clone larger HDD to SSD?

If you are trying to replace your old HDD with a new smaller SSD by migrating the OS, follow through the tips below and you will successfully migrate everything to your new SSD.

First, prepare SSD as introduced on this page. Make sure SSD is empty and has equal or bigger space than the used space on HDD.

Next, apply the clone feature in EaseUS Partition Master to clone larger HDD to smaller SSD. For a detailed guide, see also: Clone larger HDD to smaller SSD.

Step four: Finishing up your drive install

Now that you have a clone of your original drive, don’t do anything on your primary drive that puts data on your computer you’d otherwise want to save, because that won’t appear on your cloned drive. I recommend placing a text file on your desktop that says “THIS IS THE OLD HARD DRIVE,” or something more witty than that, and then power down your computer.

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If you’re replacing your old hard drive with your new SSD, disconnect your old hard drive from your desktop or laptop (likely a SATA and power cable) and plug in your new SSD right where your old drive used to be. You shouldn’t have to tweak anything else in your system’s BIOS—it should boot directly to your primary Windows partition on your new SSD. (Or, at least, mine did.)

If you’re keeping your old hard drive around, reconnect it to another SATA port on your desktop system. Check to make sure your computer doesn’t accidentally boot to it instead of your new SSD by seeing if the total size of your c:\ drive (in bytes, in its “Properties” screen) matches the capacity of your new SSD, not your old hard drive. That, or look for the “THIS IS THE OLD HARD DRIVE” text file on your BIOS, assuming you didn’t skip that step. If you’re booting to your old hard drive instead of your new one, you’ll have to change your system’s boot order in your BIOS.

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Assuming that your computer is correctly booting to your new SSD, pull up Computer Management (via the Start Menu), click on Disk Management, find your old hard drive, right-click on its various partitions, and select “Delete Volume” for each one. If this option is grayed out, you might need to use a third-party app like Paragon Hard Disk Manager (the free version) instead. Same concept, it’ll just allow you to delete your old volumes and re-partition the drive as a big fat chunk of empty space.

Screenshot: David Murphy

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