Fast Startup feature is essentially activated by default in Windows 10. However, if you've upgraded from Windows 7 or 8.1, sometimes this feature may not be activated. But with just a few simple steps, you can re-enable it.
Initiate Windows 10 Swiftly by Enabling Fast Startup
Step 1: Right-click on the Start menu and choose Power Options
Step 2: In the Power Options window, select Require a password on wakeup
Step 3: Under Shutdown settings, check the box next to Turn on fast startup (recommended) and click Save changes to apply
If the option is grayed out and cannot be selected, click on the link Change settings that are currently unavailable. Here, you can re-enable Turn on fast startup
Here's a guide to quickly booting Windows 10 using Fast Startup. However, there are conflicting opinions when using this feature, such as potential hindrance to update installations or issues with encryption software, so you should consider carefully.
Windows 10 also features an interesting capability: Wi-Fi sharing without the need for third-party software. Refer to how to share Wi-Fi on Win 10 for mobile devices to access the internet without charges.
Moreover, if you feel internet access on Win 10 is slower than usual, check out how Mytour has instructed on speeding up internet on Win 10 to boost internet connection speed. The method for enhancing internet speed on Win 10 is actually already available within the system; you just need to refer to it.
Wishing you success!