Why?

At its core, autocadlt2015sp164bitexe is the for the 64-bit version of AutoCAD LT 2015 .

Because Autodesk formally limits active account downloads to a few versions back, legacy installation archives can be difficult to track down. AutoCAD 2015 and AutoCAD LT 2015 Service Pack 1 Readme

Спасибо Скоро мы свяжемся с вами