To write a novel and upload it online, you can refer to the following steps: 1. Create a novel website or social media account such as Qidian Chinese Network, Zongheng Chinese Network, etc. These platforms all have free literary account registration. 2. After registering an account, you can start writing a novel on a local computer and then upload it to the website. 3. When uploading a novel, you need to choose the upload format such as TMT, UMD, etc. You can also upload a compressed file. 4. After uploading, you need to wait for approval. It usually takes a few days for the novel to be approved before it can be published on the website. 5. After the novel is published, the number of readers and income will be evaluated according to the genre of the novel, the style of writing, and the preferences of the readers. If you want to earn more money, you can participate in the website's recommendation program or publish novels on other social media platforms to attract readers 'attention.