How to get the shortcut keys for using windows applications?

Windows: Display the Start menu
Windows + D: Minimize or restore all windows
Windows + E: Display Windows Explorer
Windows + F: Display Search for files
Windows + Ctrl + F: Display Search for computer
Windows + F1: Display Help and Support Center
Windows + R: Display Run dialog box
Windows + break: Display System Properties dialog box
Windows + shift + M: Undo minimize all windows
Windows + L: Lock the workstation
Windows + U: Open Utility Manager
Windows + Q: Quick switching of users (Power toys only)
Windows + Q: Hold Windows key and then tap Q to scroll through the different users on your PC.

How to speed up browsing of Windows XP machine?

Many times when you are having any problem with your Windows XP machine, the machine becomes damn slow, even the general task of our machine could not get complete quickly. We have to wait for long time for the startup of the machine there are some tips that can make the browsing of the machine fast.

For doing this open up the Registry and go to:

HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/Current Version/Explorer/RemoteComputer/NameSpace
Under that branch, select the key:

{D6277990-4C6A-11CF-8D87-00AA0060F5BF} delete it.

It is the simplest way to speed up the Windows XP Machine; Windows XP Machine actually scans shared files for Scheduled Tasks. Its gives an delay as long as 30 seconds when you try to view shared files across a network because Windows XP is using the extra time to search the remote computer for any Scheduled Tasks, after the solution, the browsing speed of both the Internet & Windows Explorers improve significantly after applying it since it doesn’t search for Scheduled Tasks anymore.