Steps
1.In TikTok apps, Tap a Downwards arrow icon in the lower-right .
2. Tap a CopyLink icon in the lower-left.You can copy link of TikTok video you want to download.
3. In Web Browser,open the page of TikTok Video Downloader.Paste the link you just copied into the link field,then tap or click the Start button.
5. Tap or click the DOWNLOAD button.The Video will open in a new tab.
[for PC] Right click on the page,then choose Save Page As.... You can download the video.
[for iPhone] First you'll need to get the Dropbox app.
Tap the ✖ in its upper-left corner to close video.
Tap the Share icon at the bottom-center on the screen.
Tap the Save to Dropbox icon.You can save the video to Dropbox.