Speed up the boot process
Run msconfig utility from start->run. In the startup tab uncheck non critical items.Be careful not to remove items in the system 32 dir.
Set the page file as static
Go to start->control panel->system->advanced.
Click on virtual memory settings.Go to advanced tab and click change.Set initial size and maximum size as the same, optimally 1.5 times the system RAM.
Leave a few Gb of free space in C: drive and defrag regularly