Wow, Microsoft is fast in delivering new versions of it's Technical Preview of Windows 10. Today, Gabe Aul announced the availability of the next build of Win10 TP in "Welcome to the faster Fast ring".
"We have one more surprise for you this week - Build 10162, releasing to the Fast ring."
Microsoft did publish Build 10159 with the new wallpaper and logon UI on Tuesday, so Build 10162 was published right after...
By the way: Find some nice and free wallpapers for Windows here:
Looking forward to the RTM on July 29th!