Q: can't install any app

You may be trying to install an Application that requires an OSX of Lion (10.7) or newer as a requirement.  Check with the developer of the given application.

Depending upon the EXACT model identifier, you may be able to install a newer OSX.  If you provide that information. I can advise you accordingly.

Ciao.

look at this link and get the serial number for your MBP:

https://support.apple.com/en-us/HT204347

Then enter the serial number here:

https://selfsolve.apple.com/agreementWarrantyDynamic.do

Post back the EXACT mode/year information.  Otherwise I cannot assist you.

Ciao.

If you are running OS X 10.6.8, and the application requires something higher, then you can not install that application. It's not rocket science.

wesso812 wrote:

 

OBS,MACBOOK (13-INCH LATE 2007)

THAT'S WHAT I FOUND

ANY HELP ?

Yes it is helpful.

A late 2007 MBP can run Lion (10.7) but no newer OSX.  Check with the developer of the software that you are interested in and see if Lion will be compatible.  If so, you may purchase it from Apple here:

http://www.apple.com/shop/product/D6106Z/A/os-x-lion?fnode=dce35f5d7eb7dbfc31047 1516e25d0a7d95277376c85de07f0e41b6cd1458dd7c1856b27a827fa45c3aeb13f7e55a6fa6e240 298c880c759e3d957d1adca781e00adc9b6cdcb84563855c4b889ddb58fb6d65017db1685015714b e7f216ba8c7

Ciao.