https://forums.autodesk.com/t5/autocad-lt-forum/installing-auto-cad-lt-2016/m-p/6315245#M59613 <P>This issue has been resolved.&nbsp; My user was using the wrong key to put in.</P> Mon, 09 May 2016 12:21:53 GMT Anonymous 2016-05-09T12:21:53Z https://forums.autodesk.com/t5/autocad-lt-forum/installing-auto-cad-lt-2016/m-p/6308824#M59611 <P>We are trying to install Auto Cad LT 2016 on a computer and when we put in the serial number it will take it but when we put in the product key of 057H1 it will not take it.&nbsp; I looked on your web site and it shows that this is the correct product key.&nbsp;</P> Wed, 04 May 2016 18:34:13 GMT https://forums.autodesk.com/t5/autocad-lt-forum/installing-auto-cad-lt-2016/m-p/6308824#M59611 Anonymous 2016-05-04T18:34:13Z https://forums.autodesk.com/t5/autocad-lt-forum/installing-auto-cad-lt-2016/m-p/6308880#M59612 <P>make sure you are typing it in</P> <P>sometimes copying &amp; pasting the product key adds addtional spaces</P> Wed, 04 May 2016 19:03:10 GMT https://forums.autodesk.com/t5/autocad-lt-forum/installing-auto-cad-lt-2016/m-p/6308880#M59612 DarrenP 2016-05-04T19:03:10Z https://forums.autodesk.com/t5/autocad-lt-forum/installing-auto-cad-lt-2016/m-p/6315245#M59613 <P>This issue has been resolved.&nbsp; My user was using the wrong key to put in.</P> Mon, 09 May 2016 12:21:53 GMT https://forums.autodesk.com/t5/autocad-lt-forum/installing-auto-cad-lt-2016/m-p/6315245#M59613 Anonymous 2016-05-09T12:21:53Z