Guys, could you recomend me SoundFonts?

These drums are good,
https://www.polyphone-soundfonts.com/documents/22-unpitched-percussion/…
There are other soundfonts on the site, you need to register to be able to download them.

Good strings, they are in "sfz" format but they can be converted into "sf2" using "Polyphone" software (i have no idea how it is done, but someone in the forum might show you how),
http://schristiancollins.com/vi-orchestra.php

https://sites.google.com/site/soundfonts4u/

Here is also a tool to extract one instrument from a soundfont containing multiple instruments,
https://download.cnet.com/SF2-Splitter/3000-2383_4-10498379.html

http://www.synthfont.com/links_to_soundfonts.html