Microsoft has just played its joker card twice in a week, forcing upgrades on millions of Windows PC owners. This will raise serious alarm bells for hundreds of million of users who may now need to upgrade their PCs with no alternative options.

Designed to replace the current Mail and Calendar apps, the new Outlook can only be removed after it's been installed.

Microsoft will force install the new Outlook email client on Windows 10 systems starting with next month's security update.

Microsoft keeps adding upgrade roadblocks, but there are workarounds for many models. Here's how you can find out whether your Windows 10 PC can bypass the latest restrictions and safely upgrade to Windows 11 - for free.