# Quick help for PW (since version 5.6)
* How to use snapshot feature
  * select PW icon to always appear in taskbar settings
  ![taskbar setting](showicon.png)

  * Capture snapshot 0 : Double click PW icon
  * Restore snapshot 0 : Click PW icon
  * Capture snapshot N : Shift click PW icon N times (N = 1, 2, 3)
  * Restore snapshot N :  Ctrl click PW icon N times

* PW command line options
  * -splash=0       : No splash window at PW startup
  * -notification=1 : Turn on balloon tip and sound notification when restoring windows
  * -delay_start \<seconds\> : Delay PW invoked from auto startup memu by specified seconds
  * -redraw_desktop : redraw whole desktop windows after restore
  * -fix_zorder=1   : Turn on z-order fix for automatic restore
  * -redirect_appdata : Use current dir instead of user appdata dir to store database file, this option allows run second PW instance.
  * -check_upgrade=0 : Disable version upgrade check from beginning 

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