Before that, we need to know about the allocation types. Here the procedure to allocate the unallocated HDD space.
In Windows, the disk management option is built for this purpose and several other purposes.
Windows is one of the operating systems that provides an option to allocate an unallocated hard drive space. In addition, using this application one can easily perform SATA hard drive recovery in simple steps. Powerful recovery software like Remo Recover can restore those kinds of lost data. Here a detailed procedure to allocate an unallocated hard drive is provided with the procedural steps. Different operating systems use different methodologies for allocating the unallocated space in the hard drive. On the hard drive space allocation process the size, label and the file system for data structure purpose will be given to that particular hard drive volume or partition.
Hard drive space allocation means making it ready for data storage purpose. A hard drive will be completely successful only if it is allocated.