How can I return back to OSx after installing Lion?

I'm disappointed. After installing Lion, everything is slower. The best thing I had last year was my new MacBook Pro, because everything was fast.. (sleep, opening programs, multitasking...etc) Now, everything takes forever. How can I return back to OSx?

Downgrade Lion to Snow Leopard
1. Boot from your Snow Leopard Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button. Click on the Partition button and wait until the process has completed.
4. Quit DU and return to the installer. Install Snow Leopard.
This will erase the whole drive so be sure to backup your files if you don't have a backup already. If you have performed a TM backup using Lion be aware that you cannot restore from that backup in Snow Leopard. I suggest you make a separate backup using Carbon Copy Cloner 3.4.1.

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Welcome to the Apple Support Communities
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Why?
~~~~~~~~~~~~~~~~
--> Adobe Certified Expert
--> www.mudbubble.com
--> www.keyframer.com
~~~~~~~~~~~~~~~~
kalli2000 wrote:
> Hello everybody,
>
> can somebody tell we where i could change the serial-nr.
of flash8/studio8
> after installing the programm?
> Even if i deinstall studio8 and then installing it
again, the serial-nr. stays
> there.
>
> Is there a place in the registry where i can change the
number?
>
> I am thankful for any good hint...!!!
>
> Cheers Kalli
>
> In German:
> Weiß jemand wo und wie ich die Seriennr. in
Flash8/Studio8 nachträglich ändern
> kann.
>
> Ich habe eine zweite Verison von Studio 8 erworben und
möchte diese jetzt
> sammt neuer Seriennr. auf meinem Rechner nutzen.
>
> Das Problem:
> Selbst wenn man das alte Studio 8 deinstalliert, bleibt
die alte Seriennr.
> erhalten.
>
> Ich vermute sie hängt irgendwo in der Registry.
> Dort traue ich mich aber nicht rein. Weiß auch
nicht wo, und wie man dort was
> ändern kann...
>
> Bin dankbar für eure Tipps
>

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How can I return back to OSx after installing Lion?

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