# Archive
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The following archive versions of this Programmer's Guide are available:
+ [AWS IoT ExpressLink Programmer's Guide **v1.2**](../../archive/v1.2/programmersguide/elpg.html)
+ [AWS IoT ExpressLink Programmer's Guide **v1.1.2**](../../archive/v1.1.2/programmersguide/elpg.html)
+ [AWS IoT ExpressLink Programmer's Guide **v1.1.1**](../../archive/v1.1.1/programmersguide/elpg.html)
+ [AWS IoT ExpressLink Programmer's Guide **v1.0**](../../archive/v1.0/programmersguide/elpg.html)
+ [AWS IoT ExpressLink Programmer's Guide **v0.5**](../../archive/v0.5/programmersguide/elpg.html)