Microsoft just released Windows 10 Insider Preview Build 14328 for Insiders with PC and cell phones who are enrolled in Fast ring. This build is just one build newer than the Mobile build released on Wednesday.
For PC, however, this build brings many new features and improvements, including Windows Ink, upgraded Start, and more!
You can read all the new features from the new build announcement page.
As mentioned earlier, Window 10 build 14328 was released only for the Insiders of Fast Ring. This means that no official ISO images are released.
This build is supposed to be installed through Windows Update. Below you will find ISO to install Windows 10 build 14328 from scratch if you are interested.
14328.1000.160418-1609.RS1_RELEASE_CLIENTPRO_OEMRET_X64FRE_EN-US.ISO (3,71 GB)
https://mega.co.nz/#!GcAQHayb!6bexRr8WtV5ncZmXpdPJHFdGY4OdJQQnVRn9ZwNWsLQ
14328.1000.160418-1609.RS1_RELEASE_CLIENTPRO_OEMRET_X86FRE_EN-US.ISO (2,80 GB)
https://mega.co.nz/#!yZoVzIxL!lWSGCSCdo1dYJ13b-Yw9-mBv1zKCXpRMyH86kz2XfTI
14328.1000.160418-1609.RS1_RELEASE_CLIENTENTERPRISE_VOL_X64FRE_EN-US.ISO (3,60 GB)
https://mega.co.nz/#!HcYHBCha!q3SurbxV9AVSqd7Jc5dDtOgyfKlnzMyTuIiLTBB4RV4
14328.1000.160418-1609.RS1_RELEASE_CLIENTENTERPRISE_VOL_X86FRE_EN-US.ISO (2,69 GB)
https://mega.co.nz/#!WcoxCITD!N5_DJ28BA8ugt0nF6vSu77TT0D5QXRiv5WqC8VO_u_c
Core (Home)
14328.1000.160418-1609.RS1_RELEASE_CLIENTCORE_OEMRET_X64FRE_EN-US.ISO (3,70 GB)
https://mega.co.nz/#!yEgyiITS!voG0bVUbFguQLSnRcKM2Z2NWTccOBw0wD64jGpUzYag
14328.1000.160418-1609.RS1_RELEASE_CLIENTCORE_OEMRET_X86FRE_EN-US.ISO (2,79 GB)
https://mega.co.nz/#!OAYwFISa!SnHIA6RsKp5v8TdjcnrLyWamtTN5lvqyI9MFP8j1Da8