Game crashes promptly upon launch. I guess when I purchased Minecraft last night I figured it was a complete product.

Completely ignored arguments: [--nativeLauncherVersion, 301]
[07:15:10] [Client thread/INFO]: Setting user: Chi_masta
[07:15:12] [Client thread/INFO]: LWJGL Version: 2.9.4
[07:15:12] [Client thread/INFO]: Reloading ResourceManager: Default
[07:15:13] [Sound Library Loader/INFO]: Starting up SoundSystem...
[07:15:13] [Thread-5/INFO]: Initializing LWJGL OpenAL
[07:15:13] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[07:15:13] [Thread-5/INFO]: OpenAL initialized.
[07:15:13] [Sound Library Loader/INFO]: Sound engine started
[07:15:15] [Client thread/INFO]: Created: 1024x512 textures-atlas
[07:16:15] [Server thread/INFO]: Starting integrated minecraft server version 1.9.4
[07:16:15] [Server thread/INFO]: Generating keypair
[07:16:16] [Server thread/INFO]: Preparing start region for level 0
[07:16:17] [Server thread/INFO]: Preparing spawn area: 8%
[07:16:18] [Server thread/INFO]: Preparing spawn area: 14%
[07:16:19] [Server thread/INFO]: Preparing spawn area: 23%
[07:16:20] [Server thread/INFO]: Preparing spawn area: 31%
[07:16:21] [Server thread/INFO]: Preparing spawn area: 38%
[07:16:23] [Server thread/INFO]: Preparing spawn area: 45%
[07:16:24] [Server thread/INFO]: Preparing spawn area: 53%
[07:16:25] [Server thread/INFO]: Preparing spawn area: 60%
[07:16:26] [Server thread/INFO]: Preparing spawn area: 68%
[07:16:27] [Server thread/INFO]: Preparing spawn area: 75%
[07:16:28] [Server thread/INFO]: Preparing spawn area: 82%
[07:16:29] [Server thread/INFO]: Preparing spawn area: 90%
[07:16:30] [Server thread/INFO]: Preparing spawn area: 99%
[07:16:32] [Server thread/INFO]: Chi_masta[local:E:46219cc8] logged in with entity id 2558 at (-117.5, 80.0, 319.5)
[07:16:32] [Server thread/INFO]: Chi_masta joined the game
[07:16:41] [Server thread/INFO]: Chi_masta has just earned the achievement [Taking Inventory]
[07:16:41] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 8561ms behind, skipping 171 tick(s)
[07:16:41] [Client thread/INFO]: [CHAT] Chi_masta has just earned the achievement [Taking Inventory]
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1. A fatal error has been detected by the Java Runtime Environment:
   #
2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ff8d5136b37, pid=6612, tid=6952
   #
3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
4. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)
5. Problematic frame:
6. C [ig8icd64.dll+0x16b37]
   #
7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
   #
8. An error report file with more information is saved as:
9. C:\Users\natha\AppData\Roaming\.minecraft\hs_err_pid6612.log
   #
10. If you would like to submit a bug report, please visit:
11. http://bugreport.sun.com/bugreport/crash.jsp
12. The crash happened outside the Java Virtual Machine in native code.
13. See problematic frame for where to report the bug.
    #
    AL lib: (EE) alc_cleanup: 1 device not closed
    Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release