> For the complete documentation index, see [llms.txt](https://arcdex.gitbook.io/arc-finance-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://arcdex.gitbook.io/arc-finance-en/product-introduction-of-arc-finance/ido-tutorials/ido-web.md).

# IDO(Web）

**1. Click the IDO project you want to participate in to enter the details page.**

<figure><img src="/files/yyQcU3bI2t11nHoWxZr3" alt=""><figcaption></figcaption></figure>

**2. Before the IDO commences, there will be a countdown on the right side of the page.**

<figure><img src="/files/OCV9TNAGwyrseqyB7DaS" alt=""><figcaption></figcaption></figure>

**3. Take ARC as an example: After the IDO starts, select the number of ARC tokens to be purchased, and the page will automatically calculate the corresponding USDT price. The quota of ARC that can be purchased per user is determined by the project.**&#x20;

<figure><img src="/files/BLXlX6tGAQ6XUk9rMrEB" alt=""><figcaption></figcaption></figure>

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**4. After confirming the amount to be purchased, click “Approve” and the Metamask plugin will be activated to complete the purchase.**

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<figure><img src="/files/LG6cNWBDpp3JLOFZ7xVS" alt=""><figcaption></figcaption></figure>

**5. After the successful payment of USDT, the user can obtain the corresponding project tokens.**