01.The Biggest Upgrade You Can Make
In 2026, replacing an old HDD with an SSD is like turning a horse carriage into a jet. The speed difference in Windows 11 is staggering. If you already have an SSD and are just upgrading to a larger one (e.g., from 240GB to 1TB), the good news is that you **do not need to format**. You can clone exactly what you have today to the new drive in just a few minutes.
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02.1. Physical Installation: SATA vs M.2
How to fit the component in the right place:
- SATA SSD (2.5"): Uses two cables (one power cable from the PSU and one data cable connected to the motherboard). Ideal for old laptops or secondary drives.
- NVMe M.2 (The "stick"): Plugs directly into a slot on the motherboard and is secured by a small screw. In 2026, ensure the slot supports your drive's speed (Gen3, Gen4, or Gen5).
- Warning: Always unplug the PC from the wall and, for laptops, disconnect the battery before touching any internal component.
03.2. How to Clone Windows (Without Formatting)
Process with Macrium Reflect:
1. Connect the new SSD to the PC (use a USB-to-SATA adapter for laptops).
2. Open the cloning software and select the old disk as the **Source** and the new one as the **Destination**.
3. Click 'Copy Partitions'. If the new SSD is larger, extend the 'C:' partition to fill the entire space.
4. Once finished, shut down the PC, remove the old disk, and install the new one. Windows will boot identically, but much faster.
04.3. First Boot and Adjustments
Starting the new drive:
If the PC continues to boot from the old disk after installation, enter the BIOS and change the **Boot Priority** to the new SSD. Once in Windows, verify that the TRIM command is active. If the new SSD doesn't appear in 'This PC', you'll need to go to 'Disk Management', right-click the black space, and choose 'New Simple Volume' to assign it a drive letter (D:, E:, etc.).
Don't do it Manually.
Voltris Optimizer automates this entire guide and removes Windows delay in seconds.
Written by a verified expert
Douglas Felipe M. Gonçalves
Expert in Windows system optimization with years of experience in hardware diagnostics, kernel tuning, and advanced technical support. Founder of Voltris and developer of the Voltris Optimizer.
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By following this guide on How to Install an SSD and Clone Windows (2026 Guide), you are equipped with the verified technical knowledge to solve this issue with confidence.
If you still have difficulties after following all steps, our expert support team is available for a personalized remote diagnosis. Every system is unique and may require a specific approach.