Two solutions for insufficient C disk space after installing Win10

The computer has to take into account the C disk space capacity, whether it is software or system, or an annoying cache. Install the Win10C disk space is directly full, then think about what to do, can not think of a way to look at the tricks of this article.
1. Use the disk management that comes with the system to get the D drive. The D disk first deletes the volume, and then the C disk expands the volume. Don't say that your D drive has no space, just throw the computer away.
2. Delete the windows.old file can save 10G. In addition, in the next year, the space given by your C drive is too small, and the occupancy will continue to grow. If you don't optimize it, you can use it back to WIN7. How to delete the windows old file has a description.

In addition to getting some space from the D drive is to delete the old Window. If windows.old can be deleted to save 10G, this is a big number. Anyway, you should use Win10, the old one will be deleted, the old one will not go new, because the C disk space capacity is not allowed.