Disk Write Copy Professional Edition

System freeze is always the best choice to protect your computer from unwanted changes, nowadays this software is used very popular in public places such as Net stores, schools and computers. at home.Some popular software of this type can be mentioned as: DeepFreeze, ReturnilVirtualSystem, PowerShadow, ShadowCopy and more recently Microsoft SteadyState . Each software has its own advantages and disadvantages but there is a common point after If the computer restarts, all changes will be removed.However, for the developers, clearing all changes after restarting is sometimes an unwanted task because when playing with some software or system settings, the computer needs to be restarted. .In this case you can use Disk Write Copy (DWC) as the freezing software you need.

Outstanding features of Disk Write Copy Professional Edition

• Working speed is very fast, easy to use.
• Hard disk capacity after freezing only increases about 100MB.
• You can set a password to protect Windows at startup.
• The option to 'defrost' the system at boot time.
• Can restore the system at any time.

After installing and restarting the computer, select the partition to be frozen from the DWC interface, click in the New mode column on the drive to be frozen and choose one of the following three features:

• Off (default):Turn off the freeze feature.
• Normal:similar to other freezing software, this option will automatically restore the system every time the computer boots up.
• Incremental:this feature is only available in the Pro version.All changes remain the same regardless of whether the computer is restarted or shutdown.Later when you're bored and want to restore the system to the beginning, you just need to switch to Normal or Off mode, then restart the computer and you're done.

After selecting, click the Accept button below and click Yes in the dialog box that appears to restart the system, this time a copy of the system will be created, all changes will take place on this copy.You can see the hard disk space used by DWC (Used by shadow) and other information in the graph shown below the interface screen.

Before editing the DWC configuration, you need to turn off (Off) the freezing feature of the drive that installs the operating system if it is in Normal or Incremental mode.Next, select the Settings item on the menu bar, the Settings window has two main tabs as follows:

• Control Password: you set a password to protect the program by selecting Specify Disk Write Copy control password or you assign DWC access rights to the user on the computer by selecting Specify local user to control Disk Write Copyand entering the name of the user.
• Control before OS boot:including Allow OS boot password (set password to protect Windows), Allow DiskWriteCopy control before booting OS (allow users to 'defrost' the system before starting Windows), Allow DiskWriteCopy control password before booting OS (protect the 'defrosting' option with a password).

DWC only offers a 30 day trial, when the system expires, it will automatically 'defrost' and DWC cannot use it anymore.However, you can undo the system date and time before the expiry of 30 days to continue using but remember to turn off (Off) DWC when adjusting the date and time for changes to be saved.