To get a perfect sync on your first try, match the subtitle file name to your movie's release tag:
What is the of your movie file? (This helps identify the release version for perfect sync).
To avoid malware and wrong-time stamps, stick to reputable subtitle repositories. Here are the best sources for verified English "Forced" or "Foreign Parts Only" subtitles for Inglourious Basterds : To get a perfect sync on your first
I can give you the exact steps or file match for your setup. Share public link
For your convenience, here are some verified download links for Inglourious Basterds subtitles: Here are the best sources for verified English
Finding Verified Downloads for Inglourious Basterds Non-English Subtitles
Similar to Subscene, it provides highly rated .srt files. In VLC Media Player If your video file
If the foreign translations appear a few seconds too early or too late, you can fix the timing manually. In VLC Media Player
If your video file is a standard BluRay rip, look for "BluRay" or "1080p.BluRay" in the subtitle description.
Open [OpenSubtitles.com] and redeem the hash 1b38f5d762e9 (this is a community ID for the verified forced track from the 2009 Blu-Ray release).