Since you have a specific release ( Friday.After.Next.2002.1080p.WEBRip.x264 ), look for subtitles on these reputable repositories:
: Use the F1 (decrease delay) and F2 (increase delay) keys. 4. Embedding (Optional)
: Use their search bar for the full filename; often, uploaders tag the specific release name.
If you want the subtitles permanently "attached" to the file (without burning them into the image), use . You can drag your video and the .srt file into the program and "Multiplex" them into a single .mkv container.