Capacity expansion is simply to change a bigger disk and allocate more space to drive C. It is best not to install applications on drive C to avoid occupying space. Unnecessary things on the desktop should be cleaned up in time, and the cleaning or scanning function in the security software should be used to clean up the garbage and make room.

1. Cleaning drive C with disk cleaning software can free up about 50M-800M space for drive C. ..

2. Turn off the hibernation function. Enter the powercfg-hoff command in the start menu to turn off hibernation. The actual size of this file is the same as the physical memory, which can free up about 1-3G space for the C drive.

3. set virtual memory: computer properties > advanced system settings > settings (performance) > advanced tab > change (virtual memory), set drive c as a paging-free file, and then set drive d as a system-managed size. After the change, it can only take effect by pressing the "Settings" button, and finally restart to complete the setting. By default, this file is 1.5 times the physical memory, which can free up about 2-4G space for the C drive.