Use the info available in various help forums, maybe videos.
Optional: Check size of your hard disc for backup.
Why not renew your backup on an external drive or USB-stick now?
Test your system loading interruption key combination.
Upon RESTART on most systems you use press Power-up key, follwed by either ESC or DEL or F1, F2, F10, F11 key, while power-up runs to load your BIOS.
Have an empty! USB sticks (4 GB+) ready.
Download the for example the latest Linux Mint 22.2 on it (and flash it using etcher on USB from hard drive, if downloaded to hard disk).
Power-up computer with loading system from USB-key not hard drive. (Select option!)
Remember it has English keyboard as default when you connect your WLAN.
Basics are ready!
Keep starting from USB or after some further tests of components install Linux to the hard disk and say goodbye to a slow and costly Windows and Office packages.
Donate to whoever supported you. Perhaps your local repair shop.
Spread the word and help others.
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