Did you try starting up in "Safe Mode" and see if it will load in there? If it loads, then you can try uninstalling what you installed, or do a system restore to a point prior to the problem. If it happens even in there, then I am with shknawe, restore the whole system.
How to enter "Safe Mode" when booting the computer.
In Windows 8 and 10...
As your computer restarts, press F8 (possibly a few times) to enter "Safe Mode"
a. Press the "F4" key to Enable "Safe Mode".
(The computer will then start in "Safe Mode" with a minimal set of drivers and services.)
b. Press the "F5" key to Enable "Safe Mode" with Networking.
( Once "Safe Mode" with Networking starts, Windows is in Safe Mode, with additional network and services for accessing...