Free Trial Microsoft Subscription for Business - Office.com/myaccount
Www.office.com/setup - You should visit to the Microsoft 365 Products site. After this, you need to choose the plan which you wish to sign up for like Microsoft 365 Business Standard and then just scroll down the page and choose Try free for 1 month. In the next page, you need to follow the steps in order to set up your account. This sign up method will take few minutes to finish. When this process gets finish, then you should begin the setup wizard for your subscription. At the end, just set up your subscription.
