安装Shave ~3GB From Windows OS Drive

This is a great trick to save a few gigabytes of space on the OS, especially if you have a smaller mSata SSD for the boot drive.

1. Right click the Start button > Command Prompt (Admin)
2. Run the following command to compress OS files
   Compact.exe /CompactOS:always
3. The command takes about 10 minutes to complete depending on your hard drive and will free about 3 GB of space

Reverting the Compression

If for some reason you want to undo this change you can use the steps below to decompress the OS files

1. Right click the Start button > Command Prompt (Admin)
2. Run the following command to compress OS files
   Compact.exe /CompactOS:never