Free Up C: Drive Space

Relocate Large Directories Using Symlinks

When the C: drive is nearly full but another drive has space, use mklink /D to create directory junctions.

Move Windows Installer Cache

# Stop Windows Installer service
net stop msiserver

# Move the directory
robocopy C:\Windows\Installer D:\Windows\Installer /E /MOVE

# Create junction
mklink /D C:\Windows\Installer D:\Windows\Installer

# Start service
net start msiserver

Move AppData Local

robocopy C:\Users\Username\AppData\Local D:\AppData\Local /E /MOVE
mklink /D "C:\Users\Username\AppData\Local" "D:\AppData\Local"

Verify Junction

dir C:\Windows\Installer
# Should show <JUNCTION> with the target path

Other Space-Saving Tips

# Clean up Windows Update cache
dism /online /cleanup-image /startcomponentcleanup /resetbase

# Clean temporary files
cleanmgr /sageset:1
cleanmgr /sagerun:1