Recently, Windows 7 support was discontinued by Microsoft. Windows 7 users are constantly being pushed to upgrade by nagware from the operating system which got installed over the last few months during the update process, or by new software installations which urge you to upgrade, such as Turbo Tax for the 2019 tax year, or by articles you might read discussing Windows 7 end of life.
Microsoft wants you on Windows 10; computer manufacturers want to sell more hardware, and software companies join them in creating the illusion that you must upgrade.
Don't panic, and don't act to upgrade your current computer until you examine the alternatives.
Windows 7 is not going away so quickly. Millions and millions of residential and business users still use Windows 7. End of support simply means no more updates from Microsoft. As long as you have a properly activated antivirus program which receives updates (Norton, McAfee, Avast, AVG, Malwarebytes, etc) you should be fine. Other software will continue to install and run properly on Windows 7 for the foreseeable future. Google has stated that Chrome will continue to receive updates until the middle of 2021, and, personally, I expect that this deadline will be extended.
If you do decide to upgrade, note that Windows 10 is exponentially larger than Windows 7 in both the non volatile disk space used and the processor, memory, and disk utilization when the computer is running. Even if your computer meets the minimum requirements for Windows 10, if it is an entry level or mid range computer, you will find that the upgrade process takes many hours, and once completed, the computer will seem to act slower than before due to the overhead of Windows 10.
Solid State Drives offer a significant performance advantage over traditional hard drives. The key to a successful Windows 10 installation, either upgrade or new computer, is to make sure your computer has a solid state drive. This will more than just compensate for the overhead of windows 10. I have worked on many windows 10 computers from the big box stores that are sold with standard hard drives, and even the computers with the most powerful processors perform poorly with a standard hard drive. If you do shop for a new computer, look at the specs: avoid any computer with a traditional hard drive (drive capacity usually listed as "1TB"); get one which lists the drive capacity as "256 SSD" or similar. Some may say "128 SSD" which is okay as long as you don't store a lot of music, pictures, video's etc. If you do use a lot of storage go for "256 SSD".