First of all, you can visit the website of tiktok.com, then by clicking on the trending menu link, you can open the tiktok's video list. If you want, you can also go to the video list by clicking on the given link.
To download TikTok videos with no watermark, you’re going to need to install an app called Video Downloader for TikTok – No Watermark. Once you have the app installed, open TikTok and find a video, you want to download.
Once you’ve found it, tap on the Share button that looks like an arrow pointing to the right. Swipe left under Share to until you can see the Other option. You’ll now see various apps you can use to share the video. Look for and tap on the TikTok Downloader.