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Windows 7: How to get the manufacturer date of a file?

29 May 2011   #1
Ben777

Windows 7 Home 64bit
 
 
How to get the manufacturer date of a file?

Hi

Maybe a stupid question, but how can I tell the original date from files I downloaded. All the date fields in properties show the date and time I downloaded the file (even for "Created" which I thought should give me the manufacturer date).

Thanks


My System SpecsSystem Spec
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29 May 2011   #2
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by Ben777 View Post
Hi

Maybe a stupid question, but how can I tell the original date from files I downloaded. All the date fields in properties show the date and time I downloaded the file (even for "Created" which I thought should give me the manufacturer date).

Thanks

Right click the executable>properties>details>date.
My System SpecsSystem Spec
29 May 2011   #3
Ponmayilal

Windows 7 Ultimate 32bit
 
 

^ I think it only shows date modified and it will be more appropriate to click on the Digital Signature tab and read the date. That is what I do. Correct me if I am wrong .

How to get the manufacturer date of a file?-digsig.jpg


My System SpecsSystem Spec
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29 May 2011   #4
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by Ponmayilal View Post
^ I think it only shows date modified and it will be more appropriate to click on the Digital Signature tab and read the date. That is what I do. Correct me if I am wrong .

Attachment 157060

Happens to be the same on mine but. the digital signature date is the date the certificate was signed and could be weeks after the date the file was created. either one gives you good info.
My System SpecsSystem Spec
29 May 2011   #5
Ponmayilal

Windows 7 Ultimate 32bit
 
 

Quote   Quote: Originally Posted by zigzag3143 View Post
Quote   Quote: Originally Posted by Ponmayilal View Post
^ I think it only shows date modified and it will be more appropriate to click on the Digital Signature tab and read the date. That is what I do. Correct me if I am wrong .

Attachment 157060

Happens to be the same on mine but. the digital signature date is the date the certificate was signed and could be weeks after the date the file was created. either one gives you good info.
The Raxco Perfect Disk file shows the digital signature date 16 March 2011 in the screenshot I had put.

The date created, modified and accessed as shown in the General tab is 22 May 2011, which is the date on which I downloaded the file and installed it. ( This is what the OP has also put.) Now in the Details tab the Date modified is 22 May 2011, the same as in the General tab.

So I believe that the only way to get closest to the manufacturer is to check on the Digital Signature tab (if present). ( One may perhaps never know the actual date when the manufacturer finalised the file.)

IMO, the only possibility of it - the Date modified as shown in the Details tab and the Digital Signature tab happening to be the same as indicated by you - is when you could have downloaded it on the same day it was signed and put up on the web.

Am I missing anything? I do understand that all this is only trivial and purely academic. (And to think of it, one may easily manipulate the date created, modified and accessed but not the digitally signed date.)
My System SpecsSystem Spec
30 May 2011   #6
Ben777

Windows 7 Home 64bit
 
 

Thanks for your replies. Seems that there is no easy way to get the original date and time. The reason I wanted it was to make a file comparison to identify if a downloaded file was newer then an existing one.
My System SpecsSystem Spec
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 How to get the manufacturer date of a file?




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