How to do when the system disk space is insufficient when upgrading the latest version of Win10

When upgrading the latest version of Win10, there is not enough system disk space: During the installation and upgrade process of Windows 10, Microsoft specially added a clever link. When the upgrade program detects that the system disk does not have enough free space, in addition to reminding the user to manually clean up the space, Two additional options are also available for the user to choose from:
Select A• Insert a USB stick to get extra space, but it must be 16GB or more;
Select B• Select another partition or link an external hard drive Get extra space (9GB or more);
Of course, choosing to use a USB flash drive is the most convenient. What? No U disk? Buy one, or use a card reader to plug your phone card now!


the use of ultra-pole of this, 64GB Surface Pro 3 and other users can rest assured that the upgrade Win10, Preparing a big USB flash drive is your first choice.