Trim: Windows the blog article to read

http://blogs.msdn.com/b/e7/archive/2009/05/05/support-and-q-a-for-solid-state-drives-and.aspx

Summarized: 

Trim is enabled on Windows 7 by default, if .... (read)

How to check on windows 7 if Trim is enabled?

C:\Windows\system32>fsutil behavior query DisableDeleteNotify

DisableDeleteNotify = 0

0 means apparently enabled.

Internet Explorer 11: how to open xls and xlsx directly without having the download manager Open prompt

A very annoying feature if you work a lot with Excel and Sharepoint shortcuts.

• The first time you'll get a small box at the bottom of the screen that asks if you want to open it.
• All the other times it opens download manager and asks you if you want to open that file.

The only way I found out to make it work was with:

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\AttachmentExecute\{0002DF01-0000-0000-C000-000000000046}]
"Excel.Sheet.12"=hex:
"Excel.Sheet.8"=hex: