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Can you use the SL upgrade disk on Tiger? I have two machines, one with Tiger and one with Leopard, so I didnt waste the purchase either way, I am just curious if I can save some dough by installing the cheap $29 upgrade on Tiger.
 
Can you use the SL upgrade disk on Tiger? I have two machines, one with Tiger and one with Leopard, so I didnt waste the purchase either way, I am just curious if I can save some dough by installing the cheap $29 upgrade on Tiger.

Not legally.
 
What makes it not legal?

a) The fact that you are installing on two machines, and you only paid for a license for one.

b) The fact that you bought the disc at the discounted Leopard upgrade price. You're only licensed to use it to upgrade a Leopard machine.

To be honest, you can technically do it with pretty much zero chance of getting caught, but you will be in breach of the license in more ways than one.
 
Well, "legally" means that the $29 Snow Leopard Upgrade is licensed for upgrading a Leopard-based computer ONLY. Either one that came with Leopard or one that you paid the $129 to buy Leopard for.

If you want to "Legally" upgrade your Tiger based Intel Mac (like my Mac Pro1.1 and Mac Mini), then you need to purchase the Snow Leopard Box Set which comes with iLife and iWork.

Will the $29 "Upgrade" Disk upgrade Tiger directly? These people seem to think so: http://www.appleinsider.com/article..._leopard_disc_will_install_on_tiger_macs.html


Yes, you would save some money. But it's not technically legal. Also you'd be missing out on iLife 09 and iWork 09 which come in the Box set.
"Legal" probably is not important to you if you're asking the question in the first place, but you did...

Have Fun,
Keri

PS. "Legal" is often interpreted to mean: "Software companies will prosecute you if you are using copied or mis-licensed software in a business environment but will leave home users alone". But I wouldn't bet a huge amount of money on that.

PPS. I enjoy sending money to Companies that trust me to do the right thing. Like Apple. (no serial or activation, remember?)
So I've got all my Leopard and Snow Leopard bought and paid for on both machines.
 
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