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#11
rafaelsend,
It appears that the IdeaCentre has three partitions, and the Recovery Partition allows the recovery of the initial operating system and software to the same state that it was when the computer was obtained. However, it is my understanding the Recovery Partition can be removed to obtain more hard drive space.
However, XweAponX may have a point, though. The installer might create a new Recovery Partition.
Lenovo is sort of 'unique' in some of its doings.
Have you looked at the following:
Clean Install of Windows 10 on Lenovo Desktop Computers - Lenovo Support