How to change logo in Magento 2 theme

1. Login to your Magento store admin dashboard area.
2. Click Content
3. Click Configuration under Design section
4. Scroll down to Other Settings
5. Click Header
6. Upload your logo
7. Save Configuration from right top

Now, go ahead and pull up your website in a new tab to check if your new logo has been changed.

Change Magento Theme Logo w/ me