How can a technician split a large partition without losing any data on a Windows 10 PC?

To split a large partition without losing any data on a Windows 10 PC, shrinking the existing partition is the appropriate approach. This process allows the technician to reduce the size of the current partition, which reallocates the disk space and creates unallocated space next to it. The unallocated space can then be used to create a new partition or for other storage needs.

When shrinking a partition, the file system is aware of the adjustment, and the data already on the partition remains intact. This feature is built into the Windows Disk Management tool, making it accessible and straightforward for technicians to implement without requiring advanced software or complex procedures.

In contrast, formatting a partition would erase all data on it, which is not suitable for preserving existing information. Cloning a partition creates an exact copy of it but does not help in splitting it into smaller sections. Deleting a partition would also result in the loss of all data contained within it, necessitating data recovery processes if necessary. Therefore, shrinking the existing partition is the safest and most effective method for achieving the desired outcome without compromising data integrity.