How to update mountain lion

i dont know how i update mountain lion. i have osx 10.7.5. i dont know how i get osx 10.8.3?

Welcome to the Apple Support Communities
OS X Mountain Lion is a paid version, so you can't get it from Software Update.
First, make a backup of your data, just in case the upgrade fails. Then, check that your computer is compatible with OS X Mountain Lion > http://www.apple.com/osx/specs If it's compatible, open the App Store and purchase OS X Mountain Lion.
The OS X Mountain Lion installer will be downloaded. It takes 4 GB, so this may take hours. When it finishes, the Mountain Lion installer will show up, so follow the steps to upgrade to Mountain Lion

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How to update Mountain Lion Developer Preview 4 to final?

I have installed Mountain Lion Developer Preview 4 on my laptop (during the WWDC). I installed it from the Mac App Store, but I am not getting updates for 10.8 final or 10.8.1 (although it is the same package). How can I update to 10.8.1? Do I need to do a full reinstall? I hope not.
Trying to run the standalone 10.8.1 updater, I get the message that my system does not meet the requirements (since I don't have 10.8 final installed).
Thank you in advance.
Cheers.

Since I originally downloaded ML DP4 from the App Store (I had a redeem code), I can download the actual version (10.8.1) from the store.
But my question is if the install process is going to do an update or a full re-install. I would prefer an update. Anyone had the same problem? Any other WWDC-goer out there who installed ML DP4?

I downloaded the recent software update Mountain Lion and now my microsoft word, powerpoint, etc. are no longer supported. Why is this? What can I do?

I downloaded the recent software update Mountain Lion and now my microsoft word, powerpoint, etc. are no longer supported. Why is this? What can I do?

Depending upon how extensive your library of legacy Microsoft Office data files are, you may want to consider continuing to use Microsoft Office 2004.
Microsoft Office's 2011 version is compatible with Lion and presumably either works with Mountain Lion or an update will make it so. The problem with this approach is that Office 2011 will "convert" your earlier data files and there lies the rub! For example, I have the need to weekly open a chart created in Excel 2004, but Excel 2011 trashes the chart in its "conversion."
So I have approached the overall problem differently.
The reason your applications do not work in Mountain Lion is that they were written for the older PowerPC CPU that all Macs used up to 2006. When Apple made its transition to the Intel CPU, they licensed software that they included in all versions of OS X (from Tiger to Leopard and optionally, Snow Leopard) called Rosetta.
Rosetta miraculously allows PowerPC applications to work on the Intel processor transparently; you do not know it is even present.
The problem is that after 6 years of the transition, Apple's license to use the underlying software expired for OS X Lion and all version thereafter (and it is doubtful that the current owner of the software, IBM, would relicense it, even if Apple were inclined to do so).
So for those of use that need to run Lion, I have offered the option to install Snow Leopard (with Rosetta) into Parallels 7:
[click on images to enlarge]
And now Mountain Lion:
Full Snow Leopard installation instructions into Parallels 7 are here:
http://forums.macrumors.com/showthread.php?t=1365439
Snow Leopard is $29 and Parallels 7 is $79 retail (cheaper from competitive sources) and Parallels offers a 14 day free trial of Parallels 7 on their website:
http://www.parallels.com/download/desktop/

I was using OS Snow Leopard and on 8/1/13 I downloaded Mountain Lion and found out it was not compatible with my HP printer (HP photosmart C5580) so I called Apple and asked how to get Mountain Lion off and Snow Leopard back on. The Tech told me to

I was using OS Snow Leopard and on 8/1/13 I downloaded Mountain Lion. Then I found out it was not compatible with my HP Printer (HP Photosmart C5580 all-in-one) so I called Apple support and the tech told me to erase the hard drive instead of going in the time machine. Well I did that and then it took about three hours three days a week for about three weeks on the phone with an apple tech to get all my stuff back on my computer. I have had trouble with my printer (won't do the scan anymore and wasn't printing on my DVDs. Also the computer keeps freezing up when it is in the sleep mode, etc.
When I tried to list my problem on this forum it lists your OS at the bottom and mine had Mountain Lion listed as what I was using so apparently it didn't erase it. Want to know how to get Mountain Lion off and put my Snow Leopard on so things start working right.

Go to the  menu/About This Mac - what OS version shows there?
Do a backup, preferably 2 separate ones on 2 separate drives.
Revert to a Previous OS X
Revert to Snow Leopard
If you do revert, I'd use Setup Assistant to restore your data. This process takes a while, so do it when you won't need the computer for several hours, based on my experience.

Canon Pixma MP 540 does not scan any longer after update mountain lion. printer works normally. Who can help.

My Canon Pixma MP 540 does not scan any longer after update mountain lion. MP Navigator EX 2.0 starts and immediatley stops and comes with this message:
Application Specific Information:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSImageCell loadingState]: unrecognized selector sent to instance 0x825c0f0'
Printer works normally. Who can help.
Thank you
PeterPan52

Hi
Did you find a solution to this ? I amhaving same problem
Thanks

How to resize mountain lion os boot partition

how to resize mountain lion os x ver.10.8.5 boot volume partition.
how to install ms-office application on partition that is not boot volume partition.

Disk Utility > Internal Disk Drive > Partition > Click the "+" symbol to add a partition > Apply

Microsoft Office 2011 no longer opens because "there is a problem" after updating mountain lion when the app store said there was an update available this morning. Reinstalling did not work. What's the problem?

Microsoft Office 2011 no longer opens because "there is a problem" after updating mountain lion when the app store said there was an update available this morning. Reinstalling did not work. What's the problem?

Has your problem been solved by the updates??
Have a similar problem. This MacBook opened all MS Office programs in Dec2012 but no longer does in Feb2013. Went to Microsoft/mac/downloads but none of the three updates would run citing a problem "version of software needed to run this update was not found on this volume".
MacBook: 7.1, Intel Core 2 Duo, 2.4 GHz
Microsoft Office 2011: version 14.2.3
Mountain Lion: 10.8.2 (12C60)

My macbook pro retina is not working camera after updating Mountain lion.

My macbook pro retina is not working camera after updating Mountain lion.
I have also updated to latest update 10.8.1. Still its the same.

Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".

I can't open iCal after updating Mountain Lion

After updating Mountain Lion, I can't open iCal. It keeps reopening and sending report to Apple if I press restart.
What can I do?

Welcome to Apple Support Communities
Open Finder and delete:
~/Library/Caches/com.apple.iCal
~/Library/Preferences/com.apple.iCal.plist
If it doesn't help, press Command and R keys in boot and reinstall OS X

After updating mountain lion, my key is locked but pad works. I cant login of course.

After updating mountain lion today, my keyboard is locked but the pad works. I can't login of course.
I would really appreciate anyone's help!

Hope info from this article helps.
If other keys don't work
http://support.apple.com/kb/PH10680
Best.

When updating mountain lion 10.8.4 on Macbook Pro Retina animations became choppy will there be another update to fix this ?

When updating mountain lion 10.8.4 on Macbook Pro Retina animations became choppy will there be another update to fix this ?

Reset PRAM. http://support.apple.com/kb/PH4405
Start up in Safe Mode
http://support.apple.com/kb/PH11212
Repair Disk
Steps 1 through 7
http://support.apple.com/kb/PH5836

After Updating Mountain Lion, Mail & Safari keep crashing; WLAN Connection fails

After Updating Mountain Lion, Mail & Safari keep crashing; WLAN Connection fails;
I have updatet Mountain Lion and since then, Mail & Safari keep crashing plus: WLAN Connections keeps on failing from time to time.
My Router has the newest firmware, i am clueless what to do.
I even cannot shut down my mac properly.

Hello you all,
I also had the problem of a disconnecting wifi while my imac was sleeping. I did not have the reconnecting issue after sleep, but the lost connection issue during sleep which made it impossible to reach my imac for things like homesharing, apple tv or remote desktop. I have a late 2012 iMac with a clean ML 10.8.2 on it and wirelessly connected to an apple time capsule (same as an airport extreme). My partner has a mid 2007 iMac, also with an ML 10.8.2 on it.
I tried every single solution I could find on the internet, such as changing the router's security from wpa2 to wpa, changing the MTU from automatic to manual 1453, router reboots, re-installations, re-configurations, keychain clean-ups, everything.
Eventually I solved my problem with these steps and now it works as a charm. I can still find the iMac with the remote app, even after 12 hours of sleep:
My time capsule router is set on automatic MTU and encrypted with WPA2 and I use the 5Ghz network!
1. Cleaned all the wifi passwords in keychain on my iMac
2. Created a new network location in system preferences
3. In this location I deleted the bluetooth pan and bluetooth dun connection.
4. In this location I changed the preferred connection-order to wifi on #1 and ethernet on #2.
5. Restarted my iMac.
Now I still have a connection when it sleeps and I can wake it to low profile using the remote app (homesharing) and everything works fine.
Hope more people wille be helped by this.

How long does mountain lion take to download?

On average how long does mountain lion take to download from the app store?

Always keep an eye on 'More like this', the column to the right of your initial post. You will often find answers and direct leads to your questions there.
In fact it relates to your ISP and the download speeds you have. I believe it is 4GB in size.

How long does mountain lion take to download and where does it say how much it has left mine just says downloading ?

how long does mountain lion take to download and where does it say how much it has left mine just says downloading ?

It's totally dependent on your broadband speed.
It took me about 45 minutes to download, but I have a reasonably fast connection.
It will often say in the purchased pane of the Mac App Store how much longer it will take.

Updated mountain lion today now can't sign in to access my computer

Updated Mountain Lion today and now cannot sign in to access computer. Changed my password on Apple ID but no luck. Talked to tech, not eligible for tech support. Can someone help......

You say 'sign in to access computer'. Are you talking about the main login screen when you first boot the Mac up? If so then that's completely different to an Apple ID and you need to go about resetting that PW in a different manner.
Apple ID's are used for purchases through the iTunes Store, the Mac App Store and for logging into iCloud.

How to update mountain lion

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