My wife is itching to upgrade to Windows 10 on her Ultrabook. I told her to wait a bit and the following blog seems to support that suggestion. The demand on Microsoft's download servers and the usual version 1 bugs may keep some of us away from early adoption. But for those must have users, enduring the waits and glitches is to be expected.
Windows 10 Bugs, Problems And Fixes: Activation, Wi-Fi Connectivity, Chrome Browser, Audio Issues And More : PERSONAL TECH : Tech Times
Thanks to PERSONAL TECH: Tech Times