cant update imac, adobe reader wont allow update imac ms to old?

[Guest]

trying to update adobe acrobat reader to open pdf files, wont allow updates  of any type says imac ms wont support it?

[Test Screen Name]

Please tell us

1. What system the Mac is running. Use About This Mac from the Apple icon.

2. Whether you're trying to download updates, or a whole new copy of Reader.

3. The EXACT error message in full.

Please answer all three questions, or say if you need help answering.