2 questions about re-install on new PC

sirbellog wrote on 6/7/2005, 2:52 AM
I'm about to significantly upgrade my PC (new motherboard, ram, cpu...).
Consequently I'll need a fresh XP drive and to re-install of all the software I own.
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About Vegas, I'm not too sure :
- is there a de-install procedure, in order to re-gain an authorization for later use, or can I just re-install veg on the new drive/PC with my serial # and register again online ?
- Also : I currently have Veg4 and Veg6 on my PC (I did not delete veg4 when I upgraded to 6) ...
So, will I be able to re-install "old" v4 as well, now that I have upgraded to v6 ? Because for now, I have several stability/workflow issues with v6 (very slow), which make me prefer to work with v4.
Thanks in advance to anybody who can and will answer those questions !