Win10 system upgrade program C disk space is insufficient how to do

Usually we will install various software programs in the installation, and the official will also update these software programs from time to time. We will get more functions and error problems through upgrades. Everyone knows that when we upgrade the program, we will also C disk can get a certain space to store related files, but some users report that the C disk space is insufficient when upgrading the program in win10 system, in addition to the C disk slimming cleanup, how to solve it?

1. Insert a USB flash drive to get extra space (16GB or more);
2, choose another partition or connect an external hard drive to get space boost (9GB or more).

3, have to say, Microsoft's move is definitely the gospel of those small-capacity tablet or portable notebook users.
4, Windows 10 before the upgrade will actually test the hardware and software environment, and complete the upgrade under the conditions that meet the requirements.
In the win10 system, whether it is an upgrade program or an upgrade system, if you encounter a problem with insufficient C disk space, you may wish to optimize the solution according to the official solution. Of course, if necessary, divide the space from other partitions to the C drive. It is also very necessary.