Applying the Operating System in SCCM
Right-click the newly created Task Sequence and choose
Edit > Apply Operating System
Access content directly from the distribution point
Specified disk and partition
Assets and Compliance > Devices > Import Computer Information
Import computers using a file
if you have a CSV file with MAC addresses and host names of the target thin clients.
Right-click the task sequence and select
Choose a collection to deploy the image to.
Only media and PXE
Deployment Settings > Make available to the following
You are now ready to deploy the image via PXE in the next step.