问题1：免费试用版有哪些限制？
我们网站上的所有软件均可免费下载。您可以先下载免费试用版，充分评估后再决定是否购买完整版。
Video Downloader only allows you to download 10 UHD full videos in 2K, 4K, and 8K. You can try this software for free within 15 days. When the 15-day free trial period ends, you will need to purchase the full version to continue using it.
Q2：我需要多久才能收到激活码？
通常情况下，激活码会在付款后立即自动发送到您购买时使用的邮箱。如果您在邮箱中找不到激活码，请检查您的垃圾邮件文件夹。如果您在 24 小时内仍未收到激活码，请通过以下方式联系我们： support@ios-unlocker.com 我们会尽快回复您。
Q3：如何激活软件？
First, you need to download, install and run Video Downloader on your Mac/Windows computer.
Then, enter your email and the activation code on the software to activate your account.
如果您在激活软件过程中遇到任何问题，请随时联系我们的支持团队。（mailto: support@ios-unlocker.com）.
Q4：为什么我输入的许可证密钥无效？
If the software shows that the license key that you entered is invalid, you might have purchased the wrong version of Video Downloader. For example, if you're using a Mac but accidentally purchased the Windows version, the activation will fail. If you have purchased the wrong version, please contact support@ios-unlocker.com 寻求帮助。
Q5: How many videos can I download at once?
There is no limit to the number of downloads. You can batch download all the videos you want at the same time.
Q6: Why do I fail to download the video?
If you fail to download a video, it may be that the product does not currently support the site. Please check the supported websites on our official page. What's more, please make sure that you can watch that video on the website.
If you still can not download the video, please contact us via support@ios-unlocker.com.
