If you want a "proper" Win7 install, there are several windows updates you need to disable. All of them are either related to telemetry (aka "call home"!), Win10 preparation, components and download. Specifically, these updates are:
kb3123862,kb3112343,kb3112336,kb3083711,kb3083710,kb3083325,kb3083324,kb3080149,kb3075853,kb3075851,kb3075249,kb3072318,kb3068708,kb3068707,kb3065988,kb3065987,kb3064683,kb3058168,kb3050267,kb3050265,kb3046480,kb3044374,kb3035583,kb3022345,kb3021917,kb3015249,kb3014460,kb3012973,kb2999226,kb2990214,kb2977759,kb2976978,kb2952664,kb2922324,kb2902907
If you want to know if any of these are currently installed in your Windows 7 system, run the command below. Nothing will be changed, it will just report which ones of these hotfixes/updates are installed. The command can be run from a command prompt (all of it is a single line):
powershell -command get-hotfix -id kb3123862,kb3112343,kb3112336,kb3083711,kb3083710,kb3083325,kb3083324,kb3080149,kb3075853,kb3075851,kb3075249,kb3072318,kb3068708,kb3068707,kb3065988,kb3065987,kb3064683,kb3058168,kb3050267,kb3050265,kb3046480,kb3044374,kb3035583,kb3022345,kb3021917,kb3015249,kb3014460,kb3012973,kb2999226,kb2990214,kb2977759,kb2976978,kb2952664,kb2922324,kb2902907
If you want to manually force these updates to uninstall, run the commands below. I usually put it in a single .bat file:
wusa /uninstall /quiet /norestart /kb:3123862
wusa /uninstall /quiet /norestart /kb:3112343
wusa /uninstall /quiet /norestart /kb:3112336
wusa /uninstall /quiet /norestart /kb:3083711
wusa /uninstall /quiet /norestart /kb:3083710
wusa /uninstall /quiet /norestart /kb:3083325
wusa /uninstall /quiet /norestart /kb:3083324
wusa /uninstall /quiet /norestart /kb:3080149
wusa /uninstall /quiet /norestart /kb:3075853
wusa /uninstall /quiet /norestart /kb:3075851
wusa /uninstall /quiet /norestart /kb:3075249
wusa /uninstall /quiet /norestart /kb:3072318
wusa /uninstall /quiet /norestart /kb:3068708
wusa /uninstall /quiet /norestart /kb:3068707
wusa /uninstall /quiet /norestart /kb:3065988
wusa /uninstall /quiet /norestart /kb:3065987
wusa /uninstall /quiet /norestart /kb:3064683
wusa /uninstall /quiet /norestart /kb:3058168
wusa /uninstall /quiet /norestart /kb:3050267
wusa /uninstall /quiet /norestart /kb:3050265
wusa /uninstall /quiet /norestart /kb:3046480
wusa /uninstall /quiet /norestart /kb:3044374
wusa /uninstall /quiet /norestart /kb:3035583
wusa /uninstall /quiet /norestart /kb:3022345
wusa /uninstall /quiet /norestart /kb:3021917
wusa /uninstall /quiet /norestart /kb:3015249
wusa /uninstall /quiet /norestart /kb:3014460
wusa /uninstall /quiet /norestart /kb:3012973
wusa /uninstall /quiet /norestart /kb:2999226
wusa /uninstall /quiet /norestart /kb:2990214
wusa /uninstall /quiet /norestart /kb:2977759
wusa /uninstall /quiet /norestart /kb:2976978
wusa /uninstall /quiet /norestart /kb:2952664
wusa /uninstall /quiet /norestart /kb:2922324
wusa /uninstall /quiet /norestart /kb:2902907
The commands above will uninstall all of the Win10 and telemetry related hotfixes/updates, in reverse order they have been installed. It is safe to run them even if the hotfix hasn't been installed (nothing will happen in such case). Some hotfixes take up to 10 min to be uninstalled. Reboot after running the commands, and then hide these hotfixes from Windows Update in the control panel so they don't get installed again.
If you are running a fresh win7 install, just hide these hotfixes before they get installed.
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Your wish has been granted:
http://www.themoscowtimes.com/business/article/russian-operating-system-to-launch-in-next-decade/536990.html