Installing Windows on a second computer and activating it are separate questions. You can create installation media, but each device must be licensed under the terms that apply to its copy of Windows. Cloning the old disk does not create an extra license.
On the original PC, open Settings > System > Activation in Windows 11, or Settings > Update & Security > Activation in Windows 10. Note the edition, activation status, and whether a digital license is linked to your Microsoft account. A retail license may be movable under its terms; a license supplied with a device is commonly tied to that device. Do not infer transfer rights from the presence of a product key alone.
Before decommissioning the original PC, check the purchase record or license terms. If the second PC already includes a licensed Windows edition, you may not need to buy another copy. If it has no license and the old one cannot be transferred, obtain a valid license for the edition you install. Microsoft's hardware-change activation guidance explains the reactivation checks.
Use official Windows installation media that matches the PC's supported version. During setup, select the correct edition and target drive. A digital license associated with that hardware may activate automatically after the PC goes online. Otherwise, enter an eligible key or use the Activation troubleshooter when its conditions are met.
If you are moving a transferable license, stop using that license on the old device according to its terms. If activation fails, record the error and verify the edition, account, key, and license type before purchasing anything. A disk clone can carry files and programs but can also carry unsuitable drivers or an unbootable configuration to different hardware.
For a new computer, a fresh Windows installation followed by a file restore is usually more predictable than moving the old boot disk. Back up Documents, Desktop, Pictures, projects, browser data, and local game saves. Keep the original device and backup untouched until you have opened sample files on the new PC; installed programs generally need reinstalling and may have separate licenses.
Qiling Disk Master can protect files before a computer change; it cannot transfer Windows activation rights.
Step 1. Connect a separate backup drive to the old PC. Open Qiling Disk Master and choose Backup and Recovery > File backup.

Step 2. In the folder tree, select the user folders and any application-specific files you need. Check for data outside the default profile.

Step 3. Choose the separate drive as the destination and confirm it has enough free space.

Step 4. Review the folder selection, click Proceed, and leave the drive connected until the job completes.

Step 5. Restore a sample to another folder and open it. Then install Windows on the second PC, restore the files, and reinstall applications using legitimate installers.
No. Activation depends on the license and target hardware, not on how the files arrived.
Do not assume so. Check the specific license terms before using it on both devices.
Check the license first, install the correct Windows edition on the second PC, and restore verified files. Treat system cloning and licensing as different tasks.