In general, you can buy insurance policies online. The process for buying a policy online is similar to buying any other product online. You can usually find a company's website by doing a search for the company name and the word "insurance." Once you're on the company's website, look for a link that says something like "Buy insurance," "Get a quote," or "Apply now."
However, not all insurance companies offer the option to buy policies online. Some companies may only offer the option to get a quote online, or they may require you to call or visit a local agent in order to complete the purchase.
Additionally, not all types of insurance can be purchased online. For example, most life insurance policies must be purchased through an agent, as the application process generally requires a medical exam. Conversely, auto insurance can almost always be purchased directly from the company, either online or over the phone.