incomplete video tutorial and errors

greetings, 1.I don't understand how to set environment variables. this isn't in written description, only in youtube video. exact time, up to 9:33: https://youtu.be/0MEZ84uH4-E?t=542 unfortunately, your windows is in russian and it's 11 no 10 so may be differences do I need to go to system properties>Advanced>Environment variables>new> add path to C:\talk-llama-fast-0.2.0\xtts\SillyTavern-Extras\tts_out ? 2.you also skipped h264 codec. currently availabe, don't know which one to get: http://ciscobinary.openh264.org/openh264-2.4.1-win32.dll.bz2 http://ciscobinary.openh264.org/openh264-2.4.1-win32.dll.signed.md5.txt http://ciscobinary.openh264.org/openh264-2.4.1-win64.dll.bz2 http://ciscobinary.openh264.org/openh264-2.4.1-win64.dll.signed.md5.txt 3. where do I put models ggml-medium.en-q5_0 and mistral-7b-instruct-v0.2.Q5_0 ? straight into \talk-llama-fast-0.2.0 folder? 4. when running xtts_wav2lip.ba got this error C:\Users\xxx\miniconda3\envs\xtts\Lib\site-packages\pydantic\_internal\_fields.py:161: UserWarning: Field "model_name" has conflict with protected namespace "model_". I can't thank you enough for your work!