You can create presentation in the cloud using SkyDrive, which can make it easier to access, store, and share your files with others. If you do not have a Microsoft account, see sign up for a Microsoft account.
- Sign in to SkyDrive.
- In SkyDrive, click Create > PowerPoint presentation.
- In the New Microsoft PowerPoint presentation box, type a file name, and then click Create.
- Create your presentation.
Note PowerPoint Web App automatically saves your changes as you go.
For detailed instructions on how to create a basic presentation in PowerPoint Web App, see Basic tasks in PowerPoint Web App.