Lion reload question

I am running Lion on my MacBook Pro and it locks up several times a day. I purchased Lion from the App Store. Can I download Lion again and reinstall without having to reload all of my apps?

When you installed Lion, it created a Recovery Partition on your hard drive.  Reboot holding down the option key and select the Recovery Disk.  From there intall the OS.  And "no" you do not need to reload your applications.  It will save your current System Folder in "/Recovered Items" so that you can find any registration etc.

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