To download Ahaspeed from Twitter, you can follow these steps:

1. Install and set up a reliable VPN: As you mentioned, make sure you have a VPN installed and running to ensure your online activities are secure and private.

2. Choose a reliable Twitter video downloader: There are several online tools and software available that allow you to download videos from Twitter. Its important to choose a reputable and trustworthy downloader to avoid any potential risks.

3. Copy the tweet URL: Go to the tweet containing the Ahaspeed video and copy its URL. To do this, click on the tweets timestamp, and then copy the URL from the address bar of your browser.

4. Open the Twitter video downloader: Visit the website or open the software of the Twitter video downloader you have chosen.

5. Paste the tweet URL: In the downloader, you will find a field where you can paste the tweet URL. Right-click in the field and select Paste to insert the URL.

6. Initiate the download: Click on the download or convert button provided by the downloader. This will start the process of fetching the video from the tweet.

7. Select the desired format and quality: Once the downloader fetches the video, it may offer you options to choose the format and quality of the downloaded video. Select the appropriate options according to your preferences.

8. Start the download: After selecting the format and quality, click on the download button to begin the downloading process. The video will be saved to your devices default download location.

9. Wait for the download to complete: Depending on the size of the video and the speed of your internet connection, the download process may take some time. Be patient and wait for the download to finish.

10. Access the downloaded video: Once the download is complete, you can access the downloaded Ahaspeed video from your devices download folder or the location you specified during the download process.

Remember to respect copyright laws and only download Ahaspeed videos for personal use or with proper authorization. 另外，目前中国最流行的加速器VPN之一是啊哈加速器， 啊哈加速器拥有自研发通信协议，深度隐藏特征，在全球任何地点，都能无限制访问全球网络，并且连接稳定。