Microsoft ends
mainstream support for
Windows 7.

Windows 7/8.1 users
can upgrade to Windows
10 for free within one year.

Cortana

'Spartan'
browser

Xbox
streaming

Use the current PC to upgrade to Windows 10 directly.

Buy a brand new PC and install new Windows 10 on it.

Data loss
Almost 89% users lost important
or not so important data after the
system upgrade.
Lack of disk space
New powerful OS always needs
more space, maybe there is no
enough free space for Win 10.
Large data transfer
Also upgrade computer?
You must have numerous files and
applications to transfer.
Backup
Back up old operating system and important data in case any unpredictable issues happen.
Extend Partition
Make sure the partition used to install Win 10 has enough space, if not, extend partition.
Transfer Data
Transfer useful data and applications to the new computer if you also replace computer.
Data Backup
Backing up new system and important data regularly is a good habit to make life easy.
Tips
Other useful tools you may need to optimize daily use of computer: data recovery, system clean, file sync, etc.

To find other useful tools for file sync, disk clone, system optimization...