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Can I upgrade from tiger to leopard

Can I upgrade from tiger to leopard or snow leopard Imac intel 1g ram

Posted on Jan 24, 2012 8:34 PM

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9 replies

Jan 24, 2012 8:38 PM in response to Freebot

Leopard is no longer available from Apple and is rather expensive from other sources...


Check to see if your current Mac meets the System Requirements for Snow Leopard...


Snow Leopard Specs:


http://support.apple.com/kb/SP575


If it does... then you can Purchase and Install Snow Leopard Disc,


Mac OS X 10.6 Snow Leopard


Would also suggest that you do a backup of your current system Before you do any major upgrade...

Jan 25, 2012 5:41 AM in response to Freebot

Mac OS X 10.5 Leopard installation system requirements

http://support.apple.com/kb/TA24950


Leopard is no longer available at the Apple Store but may be available by calling Apple Phone Sales @ 1-800-MY-APPLE (1-800-692-7753).


If you can't obtain a retail install DVD from Apple, look on eBay or Google the installer part numbers to possibly find at an on-line store. Here's what to look for:


MB427Z/A Leopard 10.5.1 install DVD

MB576Z/A Leopard 10.5.4 install DVD

MB021Z/A Leopard 10.5.6 install DVD (single user)

MB022Z/A Leopard 10.5.6 install DVD (5-user family pack)


Installing Mac OS X 10.5 Leopard

http://support.apple.com/kb/HT1544


Mac OS X 10.5 Leopard Installation and Setup Guide

http://manuals.info.apple.com/en/leopard_install-setup.pdf


After you install the base 10.5, download & install the 10.5.8 combo update at http://support.apple.com/downloads/Mac_OS_X_10_5_8_Combo_Update


The DVD should look like this

User uploaded file


Caution - Leopard does not support classic mode. So, if you currently open OS 9 apps in classic mode, you won't be able to do this if you upgrade to Leopard.


If you decide to go Snow Leopard, you can also call the above number. The Snow Leopard DVD will look like this.

User uploaded file


 Cheers, Tom 😉

Jul 19, 2012 1:16 PM in response to Freebot

Before the install

Ensure your data (at least all Home folders) is backed up before you install. Hard disks can fail at any time so it is important to regularly backup to an external disk with Time Machine or a third party alternative. Inexperienced users should follow Apple's install advice but experienced users may prefer to do a clean install.


OS numbers and names

OS X 10.4.x - Tiger

OS X 10.5.x - Leopard

OS X 10.6.x - Snow Leopard

OS X 10.7.x - Lion

OS X 10.8.x - Mountain Lion


More about Macs

The Apple History site has specifications for every Mac ever produced: http://www.apple-history.com


Upgrade to Leopard

Those wishing to upgrade to Leopard should be aware that install disks can be expensive unless you contact Apple. Details: http://lowendmac.com/deals/best-os-x-leopard-prices.html Standard Leopard installers impose several hardware limitations including speed and RAM size but all these restrictions can be overcome. Google for details. Leopard works well at 500 MHz with 1 GB of RAM and many happy users have less than this.


Upgrade beyond Leopard

OSs beyond OS X 10.5.8 require an Intel processor. If in doubt check this: Click the apple at the top left of your screen and select 'About this Mac'. This will give you your OS number. Then click 'More Info' to see which processor you have. If it says PowerPC you cannot upgrade to Snow Leopard and above. If you have an Intel Mac it is well worth upgrading to Snow Leopard now and then considering other options after that. You can buy Snow Leopard here: http://store.apple.com/us/product/MC573Z/A


Upgrade beyond Snow Leopard

Information about upgrading Snow Leopard to Lion or Mountain Lion: http://store.apple.com/us/product/MD256Z/A


Important

Check that your Mac complies with any requirements. If you are not in the US you should use the Change Country link at the bottom of Apple pages.

Can I upgrade from tiger to leopard

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