Using Optimization settings, you can:
To access Optimization settings:
Optimize Performance for Mac OS X Applications or Windows Programs
Choose one of the following from the Performance menu:
To set Parallels Desktop to automatically optimize performance for Mac OS X or Windows depending on which application or program you're working with at the moment:
Tune Windows for Speedier Performance
Some Windows features that tend to slow down performance, such as animations during startup, are disabled.
Optimize your MacBook for Longer Battery Life or Higher Performance
The Power menu contains the power and performance related options:
Note: If you change options in the Power menu when Windows is running, you must shut down Windows and start it again for the changes to take effect.
To show battery status in Windows:
When your MacBook or other portable computer is running on battery power, the battery status is displayed in the menu bar.
Automatically Conserve Disk Space
In most cases, the space that Windows takes up on your hard disk expands as you add files and other data, but isn't reduced when you delete data. To set Parallels Desktop to automatically reduce disk space periodically:
Twice a day, Parallels Desktop reviews disk space. If unused space takes up more than 50 percent of the Windows hard disk image size, the disk space is freed up for your use.
You can also free up hard disk space manually.
Note: Compressing can be done only if you haven't saved a snapshot and if the Undo disks option is disabled.