Klávesník

Keyboard is a program, after installing it, you can type Latin Cyrillic and other alphabets (letters match exactly) without installing anything and without interfering with Win etc. operating system. It is based on a simple principle and can be installed by anyone, unlike the earlier programs. Moreover, there is no need to swap between two keyboards (with Cyrillic and Latin).

After installing it, you will see both the desktop icon and the icon under Start, and a small icon on the bar at the bottom right. The controls are intuitive. Open the keyboard, or choose a variant (Cyrillic is already preset), and start typing, click on Quit in the window to exit. On some older operating systems there may be a time delay before it starts working.

Also allows typing Chinese pinyin, Greek alphabet, Esperanto letters "with canopy", hot-keys settings in addition to Cyrillic.
After installing the program, it is necessary to restart the whole computer.